6979380 has 48 divisors (see below), whose sum is σ = 19776960. Its totient is φ = 1838848.

The previous prime is 6979363. The next prime is 6979381. The reversal of 6979380 is 839796.

It is a happy number.

It is a super-3 number, since 3×6979380³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6979381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4687 + ... + 5993.

It is an arithmetic number, because the mean of its divisors is an integer number (412020).

Almost surely, 2^6979380 is an apocalyptic number.

6979380 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 6979380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9888480).

6979380 is an abundant number, since it is smaller than the sum of its proper divisors (12797580).

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

6979380 is a wasteful number, since it uses less digits than its factorization.

6979380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408 (or 1406 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 6979380 is about 2641.8516233884. The cubic root of 6979380 is about 191.1051019183.

The spelling of 6979380 in words is "six million, nine hundred seventy-nine thousand, three hundred eighty".