99128926 has 8 divisors (see below), whose sum is σ = 160131384. Its totient is φ = 45751800.

The previous prime is 99128923. The next prime is 99128927. The reversal of 99128926 is 62982199.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99128923) 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, 1906300 + ... + 1906351.

It is an arithmetic number, because the mean of its divisors is an integer number (20016423).

Almost surely, 2^99128926 is an apocalyptic number.

99128926 is a deficient number, since it is larger than the sum of its proper divisors (61002458).

99128926 is a wasteful number, since it uses less digits than its factorization.

99128926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812666.

The product of its digits is 139968, while the sum is 46.

The square root of 99128926 is about 9956.3510384076. The cubic root of 99128926 is about 462.8072286429.

The spelling of 99128926 in words is "ninety-nine million, one hundred twenty-eight thousand, nine hundred twenty-six".