864760 has 32 divisors (see below), whose sum is σ = 2096640. Its totient is φ = 319104.

The previous prime is 864757. The next prime is 864781. The reversal of 864760 is 67468.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312 + ... + 1351.

It is an arithmetic number, because the mean of its divisors is an integer number (65520).

2⁸⁶⁴⁷⁶⁰ is an apocalyptic number.

It is an amenable number.

864760 is an abundant number, since it is smaller than the sum of its proper divisors (1231880).

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

864760 is a wasteful number, since it uses less digits than its factorization.

864760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687 (or 1683 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 864760 is about 929.9247281366. The cubic root of 864760 is about 95.2719814338.

The spelling of 864760 in words is "eight hundred sixty-four thousand, seven hundred sixty".