842521932 has 48 divisors (see below), whose sum is σ = 2496363520. Its totient is φ = 240720336.

The previous prime is 842521909. The next prime is 842521943. The reversal of 842521932 is 239125248.

It is a happy number.

842521932 is a `hidden beast` number, since 8 + 42 + 521 + 93 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556468 + ... + 557979.

Almost surely, 2^842521932 is an apocalyptic number.

It is an amenable number.

842521932 is an abundant number, since it is smaller than the sum of its proper divisors (1653841588).

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

842521932 is a wasteful number, since it uses less digits than its factorization.

842521932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114467 (or 1114459 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 842521932 is about 29026.2283461010. The cubic root of 842521932 is about 944.4821148260.

The spelling of 842521932 in words is "eight hundred forty-two million, five hundred twenty-one thousand, nine hundred thirty-two".