864046 has 4 divisors (see below), whose sum is σ = 1296072. Its totient is φ = 432022.

The previous prime is 864037. The next prime is 864047. The reversal of 864046 is 640468.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216010 + ... + 216013.

It is an arithmetic number, because the mean of its divisors is an integer number (324018).

2⁸⁶⁴⁰⁴⁶ is an apocalyptic number.

864046 is a deficient number, since it is larger than the sum of its proper divisors (432026).

864046 is a wasteful number, since it uses less digits than its factorization.

864046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432025.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 864046 is about 929.5407468207. The cubic root of 864046 is about 95.2457533763.

The spelling of 864046 in words is "eight hundred sixty-four thousand, forty-six".