99538338 has 16 divisors (see below), whose sum is σ = 199654560. Its totient is φ = 33083136.

The previous prime is 99538333. The next prime is 99538363. The reversal of 99538338 is 83383599.

It is not an unprimeable number, because it can be changed into a prime (99538333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21823 + ... + 25986.

It is an arithmetic number, because the mean of its divisors is an integer number (12478410).

Almost surely, 2^99538338 is an apocalyptic number.

99538338 is an abundant number, since it is smaller than the sum of its proper divisors (100116222).

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

99538338 is a wasteful number, since it uses less digits than its factorization.

99538338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48161.

The product of its digits is 699840, while the sum is 48.

The square root of 99538338 is about 9976.8901968499. The cubic root of 99538338 is about 463.4434996162.

The spelling of 99538338 in words is "ninety-nine million, five hundred thirty-eight thousand, three hundred thirty-eight".