864496 has 20 divisors (see below), whose sum is σ = 1700784. Its totient is φ = 425600.

The previous prime is 864491. The next prime is 864503. The reversal of 864496 is 694468.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864491) by changing a digit.

864496 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 3 ways as a sum of consecutive naturals, for example, 756 + ... + 1516.

2⁸⁶⁴⁴⁹⁶ is an apocalyptic number.

It is an amenable number.

864496 is a deficient number, since it is larger than the sum of its proper divisors (836288).

864496 is a wasteful number, since it uses less digits than its factorization.

864496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840 (or 834 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 864496 is about 929.7827703286. The cubic root of 864496 is about 95.2622853473.

The spelling of 864496 in words is "eight hundred sixty-four thousand, four hundred ninety-six".