461891056 has 20 divisors (see below), whose sum is σ = 976270104. Its totient is φ = 209950400.

The previous prime is 461891051. The next prime is 461891069. The reversal of 461891056 is 650198164.

It is a super-2 number, since 2×461891056² = 426686695225590272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461891051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312015 + ... + 1312366.

Almost surely, 2^461891056 is an apocalyptic number.

It is an amenable number.

461891056 is an abundant number, since it is smaller than the sum of its proper divisors (514379048).

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

461891056 is a wasteful number, since it uses less digits than its factorization.

461891056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624400 (or 2624394 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 461891056 is about 21491.6508439906. The cubic root of 461891056 is about 773.0006353940. Note that the first 3 decimals are identical.

The spelling of 461891056 in words is "four hundred sixty-one million, eight hundred ninety-one thousand, fifty-six".