99408792 has 64 divisors (see below), whose sum is σ = 300741120. Its totient is φ = 26731008.

The previous prime is 99408787. The next prime is 99408797. The reversal of 99408792 is 29780499.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (99408787) and next prime (99408797).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99408797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14548 + ... + 20259.

It is an arithmetic number, because the mean of its divisors is an integer number (4699080).

Almost surely, 2^99408792 is an apocalyptic number.

It is an amenable number.

99408792 is an abundant number, since it is smaller than the sum of its proper divisors (201332328).

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

99408792 is a wasteful number, since it uses less digits than its factorization.

99408792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34840 (or 34836 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 99408792 is about 9970.3957795064. The cubic root of 99408792 is about 463.2423599777.

The spelling of 99408792 in words is "ninety-nine million, four hundred eight thousand, seven hundred ninety-two".