705864 has 16 divisors (see below), whose sum is σ = 1764720. Its totient is φ = 235280.

The previous prime is 705863. The next prime is 705871. The reversal of 705864 is 468507.

It is a happy number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 705864.

It is not an unprimeable number, because it can be changed into a prime (705863) 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, 14682 + ... + 14729.

It is an arithmetic number, because the mean of its divisors is an integer number (110295).

2⁷⁰⁵⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

705864 is an abundant number, since it is smaller than the sum of its proper divisors (1058856).

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

705864 is a wasteful number, since it uses less digits than its factorization.

705864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29420 (or 29416 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 705864 is about 840.1571281612. The cubic root of 705864 is about 89.0376476672.

The spelling of 705864 in words is "seven hundred five thousand, eight hundred sixty-four".