461991974 has 8 divisors (see below), whose sum is σ = 699464808. Its totient is φ = 228837040.

The previous prime is 461991967. The next prime is 461992021. The reversal of 461991974 is 479199164.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1079207 + ... + 1079634.

It is an arithmetic number, because the mean of its divisors is an integer number (87433101).

Almost surely, 2^461991974 is an apocalyptic number.

461991974 is a deficient number, since it is larger than the sum of its proper divisors (237472834).

461991974 is a wasteful number, since it uses less digits than its factorization.

461991974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158950.

The product of its digits is 489888, while the sum is 50.

The square root of 461991974 is about 21493.9985577370. The cubic root of 461991974 is about 773.0569286089.

The spelling of 461991974 in words is "four hundred sixty-one million, nine hundred ninety-one thousand, nine hundred seventy-four".