99499500 has 72 divisors (see below), whose sum is σ = 313901952. Its totient is φ = 26532000.

The previous prime is 99499483. The next prime is 99499507. The reversal of 99499500 is 599499.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (99499507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6556 + ... + 15555.

Almost surely, 2^99499500 is an apocalyptic number.

99499500 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

99499500 is an abundant number, since it is smaller than the sum of its proper divisors (214402452).

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

99499500 is a wasteful number, since it uses less digits than its factorization.

99499500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22136 (or 22121 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The square root of 99499500 is about 9974.9436088632. The cubic root of 99499500 is about 463.3832161098.

It can be divided in two parts, 99499 and 500, that added together give a palindrome (99999).

The spelling of 99499500 in words is "ninety-nine million, four hundred ninety-nine thousand, five hundred".