99562400 has 144 divisors (see below), whose sum is σ = 290231424. Its totient is φ = 32609280.

The previous prime is 99562399. The next prime is 99562429. The reversal of 99562400 is 426599.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent 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, 128414 + ... + 129186.

It is an arithmetic number, because the mean of its divisors is an integer number (2015496).

Almost surely, 2^99562400 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 99562400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145115712).

99562400 is an abundant number, since it is smaller than the sum of its proper divisors (190669024).

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

99562400 is a wasteful number, since it uses less digits than its factorization.

99562400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 99562400 is about 9978.0960107628. The cubic root of 99562400 is about 463.4808402673.

Adding to 99562400 its reverse (426599), we get a palindrome (99988999).

The spelling of 99562400 in words is "ninety-nine million, five hundred sixty-two thousand, four hundred".