99599960 has 16 divisors (see below), whose sum is σ = 224100000. Its totient is φ = 39839968.

The previous prime is 99599953. The next prime is 99599963. The reversal of 99599960 is 6999599.

It is a junction number, because it is equal to n+sod(n) for n = 99599896 and 99599905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99599963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1244960 + ... + 1245039.

It is an arithmetic number, because the mean of its divisors is an integer number (14006250).

Almost surely, 2^99599960 is an apocalyptic number.

It is an amenable number.

99599960 is an abundant number, since it is smaller than the sum of its proper divisors (124500040).

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

99599960 is a wasteful number, since it uses less digits than its factorization.

99599960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490010 (or 2490006 counting only the distinct ones).

The product of its (nonzero) digits is 1771470, while the sum is 56.

The square root of 99599960 is about 9979.9779558875. The cubic root of 99599960 is about 463.5391157867.

The spelling of 99599960 in words is "ninety-nine million, five hundred ninety-nine thousand, nine hundred sixty".