842838738 has 32 divisors (see below), whose sum is σ = 1945572480. Its totient is φ = 238425600.

The previous prime is 842838713. The next prime is 842838751. The reversal of 842838738 is 837838248.

842838738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95103 + ... + 103586.

It is an arithmetic number, because the mean of its divisors is an integer number (60799140).

Almost surely, 2^842838738 is an apocalyptic number.

842838738 is an abundant number, since it is smaller than the sum of its proper divisors (1102733742).

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

842838738 is a wasteful number, since it uses less digits than its factorization.

842838738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198802.

The product of its digits is 2064384, while the sum is 51.

The square root of 842838738 is about 29031.6850699369. The cubic root of 842838738 is about 944.6004817169.

The spelling of 842838738 in words is "eight hundred forty-two million, eight hundred thirty-eight thousand, seven hundred thirty-eight".