99081504 has 108 divisors (see below), whose sum is σ = 297685206. Its totient is φ = 31256064.

The previous prime is 99081481. The next prime is 99081511. The reversal of 99081504 is 40518099.

It can be written as a sum of positive squares in only one way, i.e., 87385104 + 11696400 = 9348^2 + 3420^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 103492 + ... + 104444.

Almost surely, 2^99081504 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 99081504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148842603).

99081504 is an abundant number, since it is smaller than the sum of its proper divisors (198603702).

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

99081504 is a wasteful number, since it uses less digits than its factorization.

99081504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 99081504 is about 9953.9692585420. The cubic root of 99081504 is about 462.7334165345.

The spelling of 99081504 in words is "ninety-nine million, eighty-one thousand, five hundred four".