99531842 has 16 divisors (see below), whose sum is σ = 160812960. Its totient is φ = 46049472.

The previous prime is 99531829. The next prime is 99531893. The reversal of 99531842 is 24813599.

It is a self number, because there is not a number n which added to its sum of digits gives 99531842.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28823 + ... + 32090.

It is an arithmetic number, because the mean of its divisors is an integer number (10050810).

Almost surely, 2^99531842 is an apocalyptic number.

99531842 is a deficient number, since it is larger than the sum of its proper divisors (61281118).

99531842 is a wasteful number, since it uses less digits than its factorization.

99531842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60977.

The product of its digits is 77760, while the sum is 41.

The square root of 99531842 is about 9976.5646391932. The cubic root of 99531842 is about 463.4334177572.

The spelling of 99531842 in words is "ninety-nine million, five hundred thirty-one thousand, eight hundred forty-two".