838748672 has 40 divisors (see below), whose sum is σ = 1733678100. Its totient is φ = 404905984.

The previous prime is 838748653. The next prime is 838748681. The reversal of 838748672 is 276847838.

It can be written as a sum of positive squares in 2 ways, for example, as 830361856 + 8386816 = 28816^2 + 2896^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13397 + ... + 43092.

Almost surely, 2^838748672 is an apocalyptic number.

It is an amenable number.

838748672 is an abundant number, since it is smaller than the sum of its proper divisors (894929428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

838748672 is an equidigital number, since it uses as much as digits as its factorization.

838748672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56536 (or 56520 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 53.

The square root of 838748672 is about 28961.1579878982. The cubic root of 838748672 is about 943.0700407952.

The spelling of 838748672 in words is "eight hundred thirty-eight million, seven hundred forty-eight thousand, six hundred seventy-two".