456398644 has 12 divisors (see below), whose sum is σ = 860136004. Its totient is φ = 210645504.

The previous prime is 456398617. The next prime is 456398653. The reversal of 456398644 is 446893654.

It can be written as a sum of positive squares in 2 ways, for example, as 207705744 + 248692900 = 14412^2 + 15770^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4388397 + ... + 4388500.

Almost surely, 2^456398644 is an apocalyptic number.

It is an amenable number.

456398644 is a deficient number, since it is larger than the sum of its proper divisors (403737360).

456398644 is a wasteful number, since it uses less digits than its factorization.

456398644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8776914 (or 8776912 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 49.

The square root of 456398644 is about 21363.4885727963. The cubic root of 456398644 is about 769.9244565231.

The spelling of 456398644 in words is "four hundred fifty-six million, three hundred ninety-eight thousand, six hundred forty-four".