838928238 has 8 divisors (see below), whose sum is σ = 1677856488. Its totient is φ = 279642744.

The previous prime is 838928203. The next prime is 838928297. The reversal of 838928238 is 832829838.

It is a sphenic number, since it is the product of 3 distinct primes.

838928238 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69910681 + ... + 69910692.

It is an arithmetic number, because the mean of its divisors is an integer number (209732061).

Almost surely, 2^838928238 is an apocalyptic number.

838928238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

838928238 is a wasteful number, since it uses less digits than its factorization.

838928238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139821378.

The product of its digits is 1327104, while the sum is 51.

The square root of 838928238 is about 28964.2579397436. The cubic root of 838928238 is about 943.1373359764.

The spelling of 838928238 in words is "eight hundred thirty-eight million, nine hundred twenty-eight thousand, two hundred thirty-eight".