438459964 has 6 divisors (see below), whose sum is σ = 767304944. Its totient is φ = 219229980.

The previous prime is 438459919. The next prime is 438459977. The reversal of 438459964 is 469954834.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54807492 + ... + 54807499.

Almost surely, 2^438459964 is an apocalyptic number.

It is an amenable number.

438459964 is a deficient number, since it is larger than the sum of its proper divisors (328844980).

438459964 is a wasteful number, since it uses less digits than its factorization.

438459964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109614995 (or 109614993 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 52.

The square root of 438459964 is about 20939.4356179912. The cubic root of 438459964 is about 759.7020785203.

The spelling of 438459964 in words is "four hundred thirty-eight million, four hundred fifty-nine thousand, nine hundred sixty-four".