99019892 has 12 divisors (see below), whose sum is σ = 174349056. Its totient is φ = 49205880.

The previous prime is 99019889. The next prime is 99019909. The reversal of 99019892 is 29891099.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75284 + ... + 76587.

It is an arithmetic number, because the mean of its divisors is an integer number (14529088).

Almost surely, 2^99019892 is an apocalyptic number.

It is an amenable number.

99019892 is a deficient number, since it is larger than the sum of its proper divisors (75329164).

99019892 is a wasteful number, since it uses less digits than its factorization.

99019892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152038 (or 152036 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 47.

The square root of 99019892 is about 9950.8739314695. The cubic root of 99019892 is about 462.6374825757.

The spelling of 99019892 in words is "ninety-nine million, nineteen thousand, eight hundred ninety-two".