99319556 has 24 divisors (see below), whose sum is σ = 198959040. Its totient is φ = 42496992.

The previous prime is 99319553. The next prime is 99319573. The reversal of 99319556 is 65591399.

It is a self number, because there is not a number n which added to its sum of digits gives 99319556.

It is not an unprimeable number, because it can be changed into a prime (99319553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17351 + ... + 22353.

It is an arithmetic number, because the mean of its divisors is an integer number (8289960).

Almost surely, 2^99319556 is an apocalyptic number.

It is an amenable number.

99319556 is an abundant number, since it is smaller than the sum of its proper divisors (99639484).

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

99319556 is a wasteful number, since it uses less digits than its factorization.

99319556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5723 (or 5721 counting only the distinct ones).

The product of its digits is 328050, while the sum is 47.

The square root of 99319556 is about 9965.9197267488. The cubic root of 99319556 is about 463.1037060089.

The spelling of 99319556 in words is "ninety-nine million, three hundred nineteen thousand, five hundred fifty-six".