842431172 has 12 divisors (see below), whose sum is σ = 1608277776. Its totient is φ = 382923240.

The previous prime is 842431171. The next prime is 842431181. The reversal of 842431172 is 271134248.

842431172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (842431171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9573038 + ... + 9573125.

It is an arithmetic number, because the mean of its divisors is an integer number (134023148).

Almost surely, 2^842431172 is an apocalyptic number.

It is an amenable number.

842431172 is a deficient number, since it is larger than the sum of its proper divisors (765846604).

842431172 is a wasteful number, since it uses less digits than its factorization.

842431172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19146178 (or 19146176 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 842431172 is about 29024.6648903997. The cubic root of 842431172 is about 944.4481990818.

The spelling of 842431172 in words is "eight hundred forty-two million, four hundred thirty-one thousand, one hundred seventy-two".