461945872 has 20 divisors (see below), whose sum is σ = 925883820. Its totient is φ = 223008128.

The previous prime is 461945831. The next prime is 461945903. The reversal of 461945872 is 278549164.

It can be written as a sum of positive squares in 2 ways, for example, as 75272976 + 386672896 = 8676^2 + 19664^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497323 + ... + 498250.

It is an arithmetic number, because the mean of its divisors is an integer number (46294191).

Almost surely, 2^461945872 is an apocalyptic number.

It is an amenable number.

461945872 is an abundant number, since it is smaller than the sum of its proper divisors (463937948).

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

461945872 is a wasteful number, since it uses less digits than its factorization.

461945872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995610 (or 995604 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 461945872 is about 21492.9260920890. The cubic root of 461945872 is about 773.0312134031.

The spelling of 461945872 in words is "four hundred sixty-one million, nine hundred forty-five thousand, eight hundred seventy-two".