823872474 has 24 divisors (see below), whose sum is σ = 1789781760. Its totient is φ = 273897288.

The previous prime is 823872463. The next prime is 823872481. The reversal of 823872474 is 474278328.

823872474 is a `hidden beast` number, since 82 + 38 + 72 + 474 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53562 + ... + 67205.

It is an arithmetic number, because the mean of its divisors is an integer number (74574240).

Almost surely, 2^823872474 is an apocalyptic number.

823872474 is an abundant number, since it is smaller than the sum of its proper divisors (965909286).

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

823872474 is a wasteful number, since it uses less digits than its factorization.

823872474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121154 (or 121151 counting only the distinct ones).

The product of its digits is 602112, while the sum is 45.

The square root of 823872474 is about 28703.1788135043. The cubic root of 823872474 is about 937.4612626127.

The spelling of 823872474 in words is "eight hundred twenty-three million, eight hundred seventy-two thousand, four hundred seventy-four".