838785234 has 32 divisors (see below), whose sum is σ = 1956355200. Its totient is φ = 239652336.

The previous prime is 838785187. The next prime is 838785239. The reversal of 838785234 is 432587838.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (838785239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201729 + ... + 205844.

It is an arithmetic number, because the mean of its divisors is an integer number (61136100).

Almost surely, 2^838785234 is an apocalyptic number.

838785234 is an abundant number, since it is smaller than the sum of its proper divisors (1117569966).

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

838785234 is a wasteful number, since it uses less digits than its factorization.

838785234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407599 (or 407585 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The square root of 838785234 is about 28961.7892057794. The cubic root of 838785234 is about 943.0837437582.

The spelling of 838785234 in words is "eight hundred thirty-eight million, seven hundred eighty-five thousand, two hundred thirty-four".