838928612 has 6 divisors (see below), whose sum is σ = 1468125078. Its totient is φ = 419464304.

The previous prime is 838928609. The next prime is 838928627. The reversal of 838928612 is 216829838.

It can be written as a sum of positive squares in only one way, i.e., 654131776 + 184796836 = 25576^2 + 13594^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104866073 + ... + 104866080.

It is an arithmetic number, because the mean of its divisors is an integer number (244687513).

Almost surely, 2^838928612 is an apocalyptic number.

It is an amenable number.

838928612 is a deficient number, since it is larger than the sum of its proper divisors (629196466).

838928612 is a wasteful number, since it uses less digits than its factorization.

838928612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209732157 (or 209732155 counting only the distinct ones).

The product of its digits is 331776, while the sum is 47.

The square root of 838928612 is about 28964.2643959759. The cubic root of 838928612 is about 943.1374761288.

The spelling of 838928612 in words is "eight hundred thirty-eight million, nine hundred twenty-eight thousand, six hundred twelve".