3680912 has 20 divisors (see below), whose sum is σ = 7378620. Its totient is φ = 1776768.

The previous prime is 3680893. The next prime is 3680917. The reversal of 3680912 is 2190863.

It can be written as a sum of positive squares in 2 ways, for example, as 1478656 + 2202256 = 1216^2 + 1484^2 .

It is a super-2 number, since 2×3680912² = 27098226303488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (3680917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3503 + ... + 4430.

It is an arithmetic number, because the mean of its divisors is an integer number (368931).

Almost surely, 2^3680912 is an apocalyptic number.

It is an amenable number.

3680912 is an abundant number, since it is smaller than the sum of its proper divisors (3697708).

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

3680912 is a wasteful number, since it uses less digits than its factorization.

3680912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7970 (or 7964 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 3680912 is about 1918.5703010315. The cubic root of 3680912 is about 154.4016053955.

The spelling of 3680912 in words is "three million, six hundred eighty thousand, nine hundred twelve".