3689320 has 16 divisors (see below), whose sum is σ = 8301060. Its totient is φ = 1475712.

The previous prime is 3689311. The next prime is 3689327. The reversal of 3689320 is 239863.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3437316 + 252004 = 1854^2 + 502^2 .

It is a super-2 number, since 2×3689320² = 27222164124800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3689327) 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, 46077 + ... + 46156.

Almost surely, 2^3689320 is an apocalyptic number.

It is an amenable number.

3689320 is an abundant number, since it is smaller than the sum of its proper divisors (4611740).

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

3689320 is a wasteful number, since it uses less digits than its factorization.

3689320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92244 (or 92240 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 3689320 is about 1920.7602661446. The cubic root of 3689320 is about 154.5190782290.

The spelling of 3689320 in words is "three million, six hundred eighty-nine thousand, three hundred twenty".