3865160 has 32 divisors (see below), whose sum is σ = 9366840. Its totient is φ = 1426944.

The previous prime is 3865157. The next prime is 3865187. The reversal of 3865160 is 615683.

It can be written as a sum of positive squares in 4 ways, for example, as 1387684 + 2477476 = 1178^2 + 1574^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3197 + ... + 4236.

Almost surely, 2^3865160 is an apocalyptic number.

It is an amenable number.

3865160 is an abundant number, since it is smaller than the sum of its proper divisors (5501680).

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

3865160 is a wasteful number, since it uses less digits than its factorization.

3865160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7457 (or 7453 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 3865160 is about 1966.0010172937. The cubic root of 3865160 is about 156.9359685877.

The spelling of 3865160 in words is "three million, eight hundred sixty-five thousand, one hundred sixty".