99903201 has 16 divisors (see below), whose sum is σ = 135501696. Its totient is φ = 65460096.

The previous prime is 99903179. The next prime is 99903211. The reversal of 99903201 is 10230999.

It is not a de Polignac number, because 99903201 - 2⁶ = 99903137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99903211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81076 + ... + 82298.

It is an arithmetic number, because the mean of its divisors is an integer number (8468856).

Almost surely, 2^99903201 is an apocalyptic number.

It is an amenable number.

99903201 is a deficient number, since it is larger than the sum of its proper divisors (35598495).

99903201 is a wasteful number, since it uses less digits than its factorization.

99903201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 99903201 is about 9995.1588781770. The cubic root of 99903201 is about 464.0090679584.

The spelling of 99903201 in words is "ninety-nine million, nine hundred three thousand, two hundred one".