864748 has 12 divisors (see below), whose sum is σ = 1542240. Its totient is φ = 424112.

The previous prime is 864737. The next prime is 864757. The reversal of 864748 is 847468.

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 3 ways as a sum of consecutive naturals, for example, 1828 + ... + 2251.

It is an arithmetic number, because the mean of its divisors is an integer number (128520).

2⁸⁶⁴⁷⁴⁸ is an apocalyptic number.

It is an amenable number.

864748 is a deficient number, since it is larger than the sum of its proper divisors (677492).

864748 is a wasteful number, since it uses less digits than its factorization.

864748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136 (or 4134 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 864748 is about 929.9182759791. The cubic root of 864748 is about 95.2715407454.

The spelling of 864748 in words is "eight hundred sixty-four thousand, seven hundred forty-eight".