3680690 has 32 divisors (see below), whose sum is σ = 7451136. Its totient is φ = 1298880.

The previous prime is 3680681. The next prime is 3680741. The reversal of 3680690 is 960863.

It is a happy number.

It is a super-2 number, since 2×3680690² = 27094957752200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2375 + ... + 3605.

It is an arithmetic number, because the mean of its divisors is an integer number (232848).

Almost surely, 2^3680690 is an apocalyptic number.

3680690 is an abundant number, since it is smaller than the sum of its proper divisors (3770446).

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

3680690 is a wasteful number, since it uses less digits than its factorization.

3680690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 3680690 is about 1918.5124445778. The cubic root of 3680690 is about 154.3985012875.

The spelling of 3680690 in words is "three million, six hundred eighty thousand, six hundred ninety".