864908 has 18 divisors (see below), whose sum is σ = 1664628. Its totient is φ = 392920.

The previous prime is 864901. The next prime is 864911. The reversal of 864908 is 809468.

It is not an unprimeable number, because it can be changed into a prime (864901) by changing a digit.

864908 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 410 + ... + 1377.

2⁸⁶⁴⁹⁰⁸ is an apocalyptic number.

It is an amenable number.

864908 is a deficient number, since it is larger than the sum of its proper divisors (799720).

864908 is a wasteful number, since it uses less digits than its factorization.

864908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813 (or 1800 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 864908 is about 930.0043010653. The cubic root of 864908 is about 95.2774162553.

It can be divided in two parts, 86 and 4908, that added together give a palindrome (4994).

The spelling of 864908 in words is "eight hundred sixty-four thousand, nine hundred eight".