99153920 has 96 divisors (see below), whose sum is σ = 248844960. Its totient is φ = 37847040.

The previous prime is 99153883. The next prime is 99153947. The reversal of 99153920 is 2935199.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235310 + ... + 235730.

It is an arithmetic number, because the mean of its divisors is an integer number (2592135).

Almost surely, 2^99153920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99153920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124422480).

99153920 is an abundant number, since it is smaller than the sum of its proper divisors (149691040).

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

99153920 is a wasteful number, since it uses less digits than its factorization.

99153920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 99153920 is about 9957.6061380233. The cubic root of 99153920 is about 462.8461222073.

The spelling of 99153920 in words is "ninety-nine million, one hundred fifty-three thousand, nine hundred twenty".