864946 has 8 divisors (see below), whose sum is σ = 1303344. Its totient is φ = 430500.

The previous prime is 864917. The next prime is 864947. The reversal of 864946 is 649468.

864946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (864947) 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, 360 + ... + 1363.

It is an arithmetic number, because the mean of its divisors is an integer number (162918).

2⁸⁶⁴⁹⁴⁶ is an apocalyptic number.

864946 is a deficient number, since it is larger than the sum of its proper divisors (438398).

864946 is a wasteful number, since it uses less digits than its factorization.

864946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976.

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

The square root of 864946 is about 930.0247308540. The cubic root of 864946 is about 95.2788115825.

The spelling of 864946 in words is "eight hundred sixty-four thousand, nine hundred forty-six".