474891864 has 32 divisors (see below), whose sum is σ = 1203497520. Its totient is φ = 156128256.

The previous prime is 474891863. The next prime is 474891881. The reversal of 474891864 is 468198474.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474891863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133777 + ... + 137280.

Almost surely, 2^474891864 is an apocalyptic number.

It is an amenable number.

474891864 is an abundant number, since it is smaller than the sum of its proper divisors (728605656).

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

474891864 is a wasteful number, since it uses less digits than its factorization.

474891864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271139 (or 271135 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 51.

The square root of 474891864 is about 21792.0137665155. The cubic root of 474891864 is about 780.1861620084.

The spelling of 474891864 in words is "four hundred seventy-four million, eight hundred ninety-one thousand, eight hundred sixty-four".