99040818 has 8 divisors (see below), whose sum is σ = 198081648. Its totient is φ = 33013604.

The previous prime is 99040817. The next prime is 99040831. The reversal of 99040818 is 81804099.

It is a sphenic number, since it is the product of 3 distinct primes.

99040818 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (99040817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8253396 + ... + 8253407.

It is an arithmetic number, because the mean of its divisors is an integer number (24760206).

Almost surely, 2^99040818 is an apocalyptic number.

99040818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

99040818 is a wasteful number, since it uses less digits than its factorization.

99040818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16506808.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 99040818 is about 9951.9253413598. The cubic root of 99040818 is about 462.6700702032.

The spelling of 99040818 in words is "ninety-nine million, forty thousand, eight hundred eighteen".