99240156 has 18 divisors (see below), whose sum is σ = 250857152. Its totient is φ = 33080040.

The previous prime is 99240151. The next prime is 99240161. The reversal of 99240156 is 65104299.

It is an interprime number because it is at equal distance from previous prime (99240151) and next prime (99240161).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2756671 = 99240156 / (9 + 9 + 2 + 4 + 0 + 1 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 99240156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99240151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1378300 + ... + 1378371.

Almost surely, 2^99240156 is an apocalyptic number.

It is an amenable number.

99240156 is an abundant number, since it is smaller than the sum of its proper divisors (151616996).

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

99240156 is a wasteful number, since it uses less digits than its factorization.

99240156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756681 (or 2756676 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 99240156 is about 9961.9353541368. The cubic root of 99240156 is about 462.9802652732.

The spelling of 99240156 in words is "ninety-nine million, two hundred forty thousand, one hundred fifty-six".