456891772 has 12 divisors (see below), whose sum is σ = 804028680. Its totient is φ = 227169296.

The previous prime is 456891763. The next prime is 456891791. The reversal of 456891772 is 277198654.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318343 + ... + 319774.

It is an arithmetic number, because the mean of its divisors is an integer number (67002390).

Almost surely, 2^456891772 is an apocalyptic number.

It is an amenable number.

456891772 is a deficient number, since it is larger than the sum of its proper divisors (347136908).

456891772 is a wasteful number, since it uses less digits than its factorization.

456891772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638300 (or 638298 counting only the distinct ones).

The product of its digits is 846720, while the sum is 49.

The square root of 456891772 is about 21375.0268303925. The cubic root of 456891772 is about 770.2016518014.

The spelling of 456891772 in words is "four hundred fifty-six million, eight hundred ninety-one thousand, seven hundred seventy-two".