842432 has 14 divisors (see below), whose sum is σ = 1671828. Its totient is φ = 421184.

The previous prime is 842423. The next prime is 842447. The reversal of 842432 is 234248.

It is a zygodrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 842398 and 842407.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 842432.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6518 + ... + 6645.

2⁸⁴²⁴³² is an apocalyptic number.

It is an amenable number.

842432 is a deficient number, since it is larger than the sum of its proper divisors (829396).

842432 is a wasteful number, since it uses less digits than its factorization.

842432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13175 (or 13165 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 842432 is about 917.8409448265. The cubic root of 842432 is about 94.4448508505. Note that the first 3 decimals are identical.

The spelling of 842432 in words is "eight hundred forty-two thousand, four hundred thirty-two".