99500490 has 48 divisors (see below), whose sum is σ = 273923208. Its totient is φ = 24972288.

The previous prime is 99500449. The next prime is 99500501. The reversal of 99500490 is 9400599.

It can be written as a sum of positive squares in 4 ways, for example, as 99261369 + 239121 = 9963^2 + 489^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30987 + ... + 34046.

Almost surely, 2^99500490 is an apocalyptic number.

99500490 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

99500490 is an abundant number, since it is smaller than the sum of its proper divisors (174422718).

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

99500490 is a wasteful number, since it uses less digits than its factorization.

99500490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65063 (or 65060 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 99500490 is about 9974.9932330804. The cubic root of 99500490 is about 463.3847529612.

The spelling of 99500490 in words is "ninety-nine million, five hundred thousand, four hundred ninety".