838323172 has 12 divisors (see below), whose sum is σ = 1480777200. Its totient is φ = 415243976.

The previous prime is 838323169. The next prime is 838323191. The reversal of 838323172 is 271323838.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 978922 + ... + 979777.

It is an arithmetic number, because the mean of its divisors is an integer number (123398100).

Almost surely, 2^838323172 is an apocalyptic number.

It is an amenable number.

838323172 is a deficient number, since it is larger than the sum of its proper divisors (642454028).

838323172 is a wasteful number, since it uses less digits than its factorization.

838323172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958810 (or 1958808 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 838323172 is about 28953.8110099517. The cubic root of 838323172 is about 942.9105396276.

The spelling of 838323172 in words is "eight hundred thirty-eight million, three hundred twenty-three thousand, one hundred seventy-two".