99969950 has 24 divisors (see below), whose sum is σ = 186777480. Its totient is φ = 39808800.

The previous prime is 99969949. The next prime is 99970007. The reversal of 99969950 is 5996999.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7085 + ... + 15815.

It is an arithmetic number, because the mean of its divisors is an integer number (7782395).

Almost surely, 2^99969950 is an apocalyptic number.

99969950 is a deficient number, since it is larger than the sum of its proper divisors (86807530).

99969950 is a wasteful number, since it uses less digits than its factorization.

99969950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8972 (or 8967 counting only the distinct ones).

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

The square root of 99969950 is about 9998.4973871077. The cubic root of 99969950 is about 464.1123854553.

The spelling of 99969950 in words is "ninety-nine million, nine hundred sixty-nine thousand, nine hundred fifty".