461931407 has 8 divisors (see below), whose sum is σ = 534604800. Its totient is φ = 390928824.

The previous prime is 461931397. The next prime is 461931443. The reversal of 461931407 is 704139164.

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

It is a cyclic number.

It is not a de Polignac number, because 461931407 - 2⁴ = 461931391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461931007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417107 + ... + 418212.

It is an arithmetic number, because the mean of its divisors is an integer number (66825600).

Almost surely, 2^461931407 is an apocalyptic number.

461931407 is a deficient number, since it is larger than the sum of its proper divisors (72673393).

461931407 is an equidigital number, since it uses as much as digits as its factorization.

461931407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835405.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 461931407 is about 21492.5895833890. The cubic root of 461931407 is about 773.0231446272.

The spelling of 461931407 in words is "four hundred sixty-one million, nine hundred thirty-one thousand, four hundred seven".