99901296 has 80 divisors (see below), whose sum is σ = 312837120. Its totient is φ = 30271680.

The previous prime is 99901279. The next prime is 99901301. The reversal of 99901296 is 69210999.

It is a happy number.

It is a congruent number.

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, 5760 + ... + 15263.

It is an arithmetic number, because the mean of its divisors is an integer number (3910464).

Almost surely, 2^99901296 is an apocalyptic number.

It is an amenable number.

99901296 is an abundant number, since it is smaller than the sum of its proper divisors (212935824).

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

99901296 is a wasteful number, since it uses less digits than its factorization.

99901296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21051 (or 21039 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 45.

The square root of 99901296 is about 9995.0635815887. The cubic root of 99901296 is about 464.0061186272.

The spelling of 99901296 in words is "ninety-nine million, nine hundred one thousand, two hundred ninety-six".