6836220 has 72 divisors (see below), whose sum is σ = 20953296. Its totient is φ = 1804032.

The previous prime is 6836201. The next prime is 6836237. The reversal of 6836220 is 226386.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29224 + ... + 29456.

It is an arithmetic number, because the mean of its divisors is an integer number (291018).

Almost surely, 2^6836220 is an apocalyptic number.

6836220 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 6836220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10476648).

6836220 is an abundant number, since it is smaller than the sum of its proper divisors (14117076).

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

6836220 is a wasteful number, since it uses less digits than its factorization.

6836220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 6836220 is about 2614.6166066940. The cubic root of 6836220 is about 189.7894250647.

It can be divided in two parts, 6836 and 220, that added together give a square (7056 = 84²).

The spelling of 6836220 in words is "six million, eight hundred thirty-six thousand, two hundred twenty".