99937242 has 24 divisors (see below), whose sum is σ = 223516800. Its totient is φ = 32237640.

The previous prime is 99937241. The next prime is 99937261. The reversal of 99937242 is 24273999.

It is not an unprimeable number, because it can be changed into a prime (99937241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88992 + ... + 90107.

It is an arithmetic number, because the mean of its divisors is an integer number (9313200).

Almost surely, 2^99937242 is an apocalyptic number.

99937242 is an abundant number, since it is smaller than the sum of its proper divisors (123579558).

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

99937242 is a wasteful number, since it uses less digits than its factorization.

99937242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179138 (or 179135 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 99937242 is about 9996.8616075246. The cubic root of 99937242 is about 464.0617640977.

The spelling of 99937242 in words is "ninety-nine million, nine hundred thirty-seven thousand, two hundred forty-two".