99937240 has 32 divisors (see below), whose sum is σ = 242156880. Its totient is φ = 36899712.

The previous prime is 99937199. The next prime is 99937241. The reversal of 99937240 is 4273999.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95574 + ... + 96613.

Almost surely, 2^99937240 is an apocalyptic number.

It is an amenable number.

99937240 is an abundant number, since it is smaller than the sum of its proper divisors (142219640).

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

99937240 is a wasteful number, since it uses less digits than its factorization.

99937240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192211 (or 192207 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 99937240 is about 9996.8615074932. The cubic root of 99937240 is about 464.0617610020.

The spelling of 99937240 in words is "ninety-nine million, nine hundred thirty-seven thousand, two hundred forty".