99403800 has 48 divisors (see below), whose sum is σ = 308153640. Its totient is φ = 26507520.

The previous prime is 99403783. The next prime is 99403807. The reversal of 99403800 is 830499.

It is a super-2 number, since 2×99403800² = 19762230908880000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99403807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82237 + ... + 83436.

Almost surely, 2^99403800 is an apocalyptic number.

It is an amenable number.

99403800 is an abundant number, since it is smaller than the sum of its proper divisors (208749840).

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

99403800 is a wasteful number, since it uses less digits than its factorization.

99403800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165692 (or 165683 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 99403800 is about 9970.1454352482. The cubic root of 99403800 is about 463.2346056516.

The spelling of 99403800 in words is "ninety-nine million, four hundred three thousand, eight hundred".