442731192 has 32 divisors (see below), whose sum is σ = 1112574480. Its totient is φ = 146810880.

The previous prime is 442731173. The next prime is 442731193. The reversal of 442731192 is 291137244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442731193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43159 + ... + 52422.

Almost surely, 2^442731192 is an apocalyptic number.

It is an amenable number.

442731192 is an abundant number, since it is smaller than the sum of its proper divisors (669843288).

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

442731192 is a wasteful number, since it uses less digits than its factorization.

442731192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95783 (or 95779 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 442731192 is about 21041.1784841059. The cubic root of 442731192 is about 762.1609734249.

The spelling of 442731192 in words is "four hundred forty-two million, seven hundred thirty-one thousand, one hundred ninety-two".