865464 has 16 divisors (see below), whose sum is σ = 2163720. Its totient is φ = 288480.

The previous prime is 865457. The next prime is 865477. The reversal of 865464 is 464568.

It is a happy number.

865464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18007 + ... + 18054.

2⁸⁶⁵⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

865464 is an abundant number, since it is smaller than the sum of its proper divisors (1298256).

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

865464 is a wasteful number, since it uses less digits than its factorization.

865464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36070 (or 36066 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 865464 is about 930.3031763893. The cubic root of 865464 is about 95.2978280202.

The spelling of 865464 in words is "eight hundred sixty-five thousand, four hundred sixty-four".