81846232 has 16 divisors (see below), whose sum is σ = 165266640. Its totient is φ = 37775136.

The previous prime is 81846229. The next prime is 81846241. The reversal of 81846232 is 23264818.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393388 + ... + 393595.

It is an arithmetic number, because the mean of its divisors is an integer number (10329165).

Almost surely, 2^81846232 is an apocalyptic number.

It is an amenable number.

81846232 is an abundant number, since it is smaller than the sum of its proper divisors (83420408).

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

81846232 is a wasteful number, since it uses less digits than its factorization.

81846232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787002 (or 786998 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 81846232 is about 9046.8907366012. The cubic root of 81846232 is about 434.1764167720.

The spelling of 81846232 in words is "eighty-one million, eight hundred forty-six thousand, two hundred thirty-two".