812964 has 24 divisors (see below), whose sum is σ = 1949248. Its totient is φ = 263520.

The previous prime is 812963. The next prime is 812969. The reversal of 812964 is 469218.

812964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (812963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472 + ... + 1359.

2⁸¹²⁹⁶⁴ is an apocalyptic number.

It is an amenable number.

812964 is an abundant number, since it is smaller than the sum of its proper divisors (1136284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

812964 is a wasteful number, since it uses less digits than its factorization.

812964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875 (or 1873 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 812964 is about 901.6451630215. The cubic root of 812964 is about 93.3305384651.

The spelling of 812964 in words is "eight hundred twelve thousand, nine hundred sixty-four".