99498400 has 72 divisors (see below), whose sum is σ = 244320300. Its totient is φ = 39567360.

The previous prime is 99498397. The next prime is 99498401. The reversal of 99498400 is 489499.

It can be written as a sum of positive squares in 6 ways, for example, as 24641296 + 74857104 = 4964^2 + 8652^2 .

It is not an unprimeable number, because it can be changed into a prime (99498401) 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, 221376 + ... + 221824.

Almost surely, 2^99498400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99498400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122160150).

99498400 is an abundant number, since it is smaller than the sum of its proper divisors (144821900).

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

99498400 is a wasteful number, since it uses less digits than its factorization.

99498400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 99498400 is about 9974.8884705544. Note that the first 3 decimals coincide. The cubic root of 99498400 is about 463.3815084850.

The spelling of 99498400 in words is "ninety-nine million, four hundred ninety-eight thousand, four hundred".