842978232 has 32 divisors (see below), whose sum is σ = 2341606800. Its totient is φ = 280992672.

The previous prime is 842978183. The next prime is 842978239. The reversal of 842978232 is 232879248.

It is a super-2 number, since 2×842978232² = 1421224599251691648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842978239) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1951123 + ... + 1951554.

Almost surely, 2^842978232 is an apocalyptic number.

It is an amenable number.

842978232 is an abundant number, since it is smaller than the sum of its proper divisors (1498628568).

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

842978232 is a wasteful number, since it uses less digits than its factorization.

842978232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3902692 (or 3902682 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 842978232 is about 29034.0874146235. The cubic root of 842978232 is about 944.6525908670.

It can be divided in two parts, 84297 and 8232, that added together give a palindrome (92529).

The spelling of 842978232 in words is "eight hundred forty-two million, nine hundred seventy-eight thousand, two hundred thirty-two".