864308 has 12 divisors (see below), whose sum is σ = 1522500. Its totient is φ = 429312.

The previous prime is 864307. The next prime is 864319. The reversal of 864308 is 803468.

It can be written as a sum of positive squares in 2 ways, for example, as 595984 + 268324 = 772^2 + 518^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864301) 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, 68 + ... + 1316.

It is an arithmetic number, because the mean of its divisors is an integer number (126875).

2⁸⁶⁴³⁰⁸ is an apocalyptic number.

It is an amenable number.

864308 is a deficient number, since it is larger than the sum of its proper divisors (658192).

864308 is a wasteful number, since it uses less digits than its factorization.

864308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426 (or 1424 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 864308 is about 929.6816659481. The cubic root of 864308 is about 95.2553793551.

The spelling of 864308 in words is "eight hundred sixty-four thousand, three hundred eight".