99620544 has 112 divisors (see below), whose sum is σ = 291437568. Its totient is φ = 29872128.

The previous prime is 99620537. The next prime is 99620569. The reversal of 99620544 is 44502699.

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 15 ways as a sum of consecutive naturals, for example, 74409 + ... + 75735.

Almost surely, 2^99620544 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 99620544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145718784).

99620544 is an abundant number, since it is smaller than the sum of its proper divisors (191817024).

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

99620544 is a wasteful number, since it uses less digits than its factorization.

99620544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382 (or 1372 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 99620544 is about 9981.0091674139. The cubic root of 99620544 is about 463.5710462946.

The spelling of 99620544 in words is "ninety-nine million, six hundred twenty thousand, five hundred forty-four".