842872344 has 16 divisors (see below), whose sum is σ = 2107180920. Its totient is φ = 280957440.

The previous prime is 842872339. The next prime is 842872351. The reversal of 842872344 is 443278248.

It is a junction number, because it is equal to n+sod(n) for n = 842872296 and 842872305.

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, 17559817 + ... + 17559864.

Almost surely, 2^842872344 is an apocalyptic number.

It is an amenable number.

842872344 is an abundant number, since it is smaller than the sum of its proper divisors (1264308576).

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

842872344 is a wasteful number, since it uses less digits than its factorization.

842872344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35119690 (or 35119686 counting only the distinct ones).

The product of its digits is 344064, while the sum is 42.

The square root of 842872344 is about 29032.2638455908. The cubic root of 842872344 is about 944.6130360449.

The spelling of 842872344 in words is "eight hundred forty-two million, eight hundred seventy-two thousand, three hundred forty-four".