838414664 has 16 divisors (see below), whose sum is σ = 1580010300. Its totient is φ = 417078592.

The previous prime is 838414613. The next prime is 838414667. The reversal of 838414664 is 466414838.

It can be written as a sum of positive squares in 2 ways, for example, as 657512164 + 180902500 = 25642^2 + 13450^2 .

It is not an unprimeable number, because it can be changed into a prime (838414667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264419 + ... + 267570.

Almost surely, 2^838414664 is an apocalyptic number.

It is an amenable number.

838414664 is a deficient number, since it is larger than the sum of its proper divisors (741595636).

838414664 is a wasteful number, since it uses less digits than its factorization.

838414664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532192 (or 532188 counting only the distinct ones).

The product of its digits is 442368, while the sum is 44.

The square root of 838414664 is about 28955.3909315692. The cubic root of 838414664 is about 942.9448404938.

The spelling of 838414664 in words is "eight hundred thirty-eight million, four hundred fourteen thousand, six hundred sixty-four".