99899946 has 32 divisors (see below), whose sum is σ = 222367680. Its totient is φ = 33244848.

The previous prime is 99899923. The next prime is 99899951. The reversal of 99899946 is 64999899.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43540 + ... + 45776.

It is an arithmetic number, because the mean of its divisors is an integer number (6948990).

Almost surely, 2^99899946 is an apocalyptic number.

99899946 is an abundant number, since it is smaller than the sum of its proper divisors (122467734).

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

99899946 is a wasteful number, since it uses less digits than its factorization.

99899946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075 (or 3069 counting only the distinct ones).

The product of its digits is 11337408, while the sum is 63.

The square root of 99899946 is about 9994.9960480232. The cubic root of 99899946 is about 464.0040285273.

The spelling of 99899946 in words is "ninety-nine million, eight hundred ninety-nine thousand, nine hundred forty-six".