99503898 has 16 divisors (see below), whose sum is σ = 214316256. Its totient is φ = 30616560.

The previous prime is 99503867. The next prime is 99503903. The reversal of 99503898 is 89830599.

It is a self number, because there is not a number n which added to its sum of digits gives 99503898.

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, 637768 + ... + 637923.

It is an arithmetic number, because the mean of its divisors is an integer number (13394766).

Almost surely, 2^99503898 is an apocalyptic number.

99503898 is an abundant number, since it is smaller than the sum of its proper divisors (114812358).

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

99503898 is a wasteful number, since it uses less digits than its factorization.

99503898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275709.

The product of its (nonzero) digits is 699840, while the sum is 51.

The square root of 99503898 is about 9975.1640588012. The cubic root of 99503898 is about 463.3900433781.

The spelling of 99503898 in words is "ninety-nine million, five hundred three thousand, eight hundred ninety-eight".