3684790928 has 80 divisors (see below), whose sum is σ = 9024422400. Its totient is φ = 1418300928.

The previous prime is 3684790927. The next prime is 3684790931. The reversal of 3684790928 is 8290974863.

It is a happy number.

It is a super-2 number, since 2×3684790928² = 27155368366142202368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (3684790927) 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, 19673 + ... + 88071.

It is an arithmetic number, because the mean of its divisors is an integer number (112805280).

Almost surely, 2^3684790928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3684790928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4512211200).

3684790928 is an abundant number, since it is smaller than the sum of its proper divisors (5339631472).

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

3684790928 is a wasteful number, since it uses less digits than its factorization.

3684790928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68464 (or 68458 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 56.

The square root of 3684790928 is about 60702.4787632268. The cubic root of 3684790928 is about 1544.5582225414.

The spelling of 3684790928 in words is "three billion, six hundred eighty-four million, seven hundred ninety thousand, nine hundred twenty-eight".