864907 has 4 divisors (see below), whose sum is σ = 881280. Its totient is φ = 848536.

The previous prime is 864901. The next prime is 864911. The reversal of 864907 is 709468.

864907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 864907 - 2¹⁹ = 340619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (864901) 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, 8107 + ... + 8212.

It is an arithmetic number, because the mean of its divisors is an integer number (220320).

2⁸⁶⁴⁹⁰⁷ is an apocalyptic number.

864907 is a deficient number, since it is larger than the sum of its proper divisors (16373).

864907 is a wasteful number, since it uses less digits than its factorization.

864907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16372.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 864907 is about 930.0037634332. The cubic root of 864907 is about 95.2773795356.

It can be divided in two parts, 864 and 907, that added together give a palindrome (1771).

The spelling of 864907 in words is "eight hundred sixty-four thousand, nine hundred seven".