365864 has 32 divisors (see below), whose sum is σ = 756000. Its totient is φ = 165312.

The previous prime is 365851. The next prime is 365903. The reversal of 365864 is 468563.

It is a d-powerful number, because it can be written as 3 + 6⁵ + 8 + 5⁷ + 6⁷ + 4² .

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 365864.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 365864.

It is an unprimeable number.

365864 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4367 + ... + 4449.

It is an arithmetic number, because the mean of its divisors is an integer number (23625).

2³⁶⁵⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

365864 is an abundant number, since it is smaller than the sum of its proper divisors (390136).

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

365864 is a wasteful number, since it uses less digits than its factorization.

365864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 133 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 365864 is about 604.8669275138. The cubic root of 365864 is about 71.5220399233.

The spelling of 365864 in words is "three hundred sixty-five thousand, eight hundred sixty-four".