99255400 has 96 divisors (see below), whose sum is σ = 242451000. Its totient is φ = 37739520.

The previous prime is 99255391. The next prime is 99255407. The reversal of 99255400 is 455299.

It can be written as a sum of positive squares in 12 ways, for example, as 6441444 + 92813956 = 2538^2 + 9634^2 .

It is not an unprimeable number, because it can be changed into a prime (99255407) 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, 632122 + ... + 632278.

Almost surely, 2^99255400 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 99255400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121225500).

99255400 is an abundant number, since it is smaller than the sum of its proper divisors (143195600).

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

99255400 is a wasteful number, since it uses less digits than its factorization.

99255400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 99255400 is about 9962.7004371305. The cubic root of 99255400 is about 463.0039697564.

The spelling of 99255400 in words is "ninety-nine million, two hundred fifty-five thousand, four hundred".