823495464 has 64 divisors (see below), whose sum is σ = 2495448000. Its totient is φ = 249543360.

The previous prime is 823495457. The next prime is 823495483. The reversal of 823495464 is 464594328.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170919 + ... + 175670.

It is an arithmetic number, because the mean of its divisors is an integer number (38991375).

Almost surely, 2^823495464 is an apocalyptic number.

It is an amenable number.

823495464 is an abundant number, since it is smaller than the sum of its proper divisors (1671952536).

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

823495464 is a wasteful number, since it uses less digits than its factorization.

823495464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346615 (or 346605 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 823495464 is about 28696.6106709486. The cubic root of 823495464 is about 937.3182444449.

The spelling of 823495464 in words is "eight hundred twenty-three million, four hundred ninety-five thousand, four hundred sixty-four".