99418506 has 16 divisors (see below), whose sum is σ = 216913248. Its totient is φ = 30126800.

The previous prime is 99418477. The next prime is 99418549. The reversal of 99418506 is 60581499.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753105 + ... + 753236.

It is an arithmetic number, because the mean of its divisors is an integer number (13557078).

Almost surely, 2^99418506 is an apocalyptic number.

99418506 is an abundant number, since it is smaller than the sum of its proper divisors (117494742).

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

99418506 is a wasteful number, since it uses less digits than its factorization.

99418506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506357.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 99418506 is about 9970.8829097528. The cubic root of 99418506 is about 463.2574484812.

The spelling of 99418506 in words is "ninety-nine million, four hundred eighteen thousand, five hundred six".