456668943 has 16 divisors (see below), whose sum is σ = 646581600. Its totient is φ = 285705216.

The previous prime is 456668939. The next prime is 456668951. The reversal of 456668943 is 349866654.

It is a happy number.

It is not a de Polignac number, because 456668943 - 2² = 456668939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456668923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4971 + ... + 30627.

It is an arithmetic number, because the mean of its divisors is an integer number (40411350).

Almost surely, 2^456668943 is an apocalyptic number.

456668943 is a deficient number, since it is larger than the sum of its proper divisors (189912657).

456668943 is a wasteful number, since it uses less digits than its factorization.

456668943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26026.

The product of its digits is 3732480, while the sum is 51.

The square root of 456668943 is about 21369.8138269850. The cubic root of 456668943 is about 770.0764207055.

The spelling of 456668943 in words is "four hundred fifty-six million, six hundred sixty-eight thousand, nine hundred forty-three".