6847380 has 72 divisors (see below), whose sum is σ = 21021000. Its totient is φ = 1804032.

The previous prime is 6847367. The next prime is 6847381. The reversal of 6847380 is 837486.

It can be written as a sum of positive squares in 4 ways, for example, as 1838736 + 5008644 = 1356^2 + 2238^2 .

It is a super-2 number, since 2×6847380² = 93773225728800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 6⁵ + 8⁷ + 4¹⁰ + 7⁴ + 3¹³ + 8⁷ + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6847381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19446 + ... + 19794.

Almost surely, 2^6847380 is an apocalyptic number.

6847380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6847380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10510500).

6847380 is an abundant number, since it is smaller than the sum of its proper divisors (14173620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6847380 is a wasteful number, since it uses less digits than its factorization.

6847380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 6847380 is about 2616.7498925193. The cubic root of 6847380 is about 189.8926448006.

It can be divided in two parts, 6847 and 380, that added together give a palindrome (7227).

The spelling of 6847380 in words is "six million, eight hundred forty-seven thousand, three hundred eighty".