99969560 has 32 divisors (see below), whose sum is σ = 231014160. Its totient is φ = 38906496.

The previous prime is 99969559. The next prime is 99969581. The reversal of 99969560 is 6596999.

It is a congruent number.

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, 32294 + ... + 35253.

Almost surely, 2^99969560 is an apocalyptic number.

It is an amenable number.

99969560 is an abundant number, since it is smaller than the sum of its proper divisors (131044600).

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

99969560 is a wasteful number, since it uses less digits than its factorization.

99969560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67595 (or 67591 counting only the distinct ones).

The product of its (nonzero) digits is 1180980, while the sum is 53.

The square root of 99969560 is about 9998.4778841582. The cubic root of 99969560 is about 464.1117819270. Note that the first 3 decimals are identical.

The spelling of 99969560 in words is "ninety-nine million, nine hundred sixty-nine thousand, five hundred sixty".