838972692 has 36 divisors (see below), whose sum is σ = 2125032000. Its totient is φ = 279091152.

The previous prime is 838972649. The next prime is 838972703. The reversal of 838972692 is 296279838.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5388 + ... + 41315.

Almost surely, 2^838972692 is an apocalyptic number.

It is an amenable number.

838972692 is an abundant number, since it is smaller than the sum of its proper divisors (1286059308).

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

838972692 is a wasteful number, since it uses less digits than its factorization.

838972692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47212 (or 47207 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 838972692 is about 28965.0253236554. The cubic root of 838972692 is about 943.1539943288.

The spelling of 838972692 in words is "eight hundred thirty-eight million, nine hundred seventy-two thousand, six hundred ninety-two".