99838285 has 16 divisors (see below), whose sum is σ = 125483904. Its totient is φ = 76111552.

The previous prime is 99838261. The next prime is 99838301. The reversal of 99838285 is 58283899.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 99838285 - 2⁵ = 99838253 is a prime.

It is a Duffinian 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, 32214 + ... + 35176.

It is an arithmetic number, because the mean of its divisors is an integer number (7842744).

Almost surely, 2^99838285 is an apocalyptic number.

It is an amenable number.

99838285 is a deficient number, since it is larger than the sum of its proper divisors (25645619).

99838285 is a wasteful number, since it uses less digits than its factorization.

99838285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3284.

The product of its digits is 1244160, while the sum is 52.

The square root of 99838285 is about 9991.9109783865. The cubic root of 99838285 is about 463.9085435210.

The spelling of 99838285 in words is "ninety-nine million, eight hundred thirty-eight thousand, two hundred eighty-five".