99475400 has 48 divisors (see below), whose sum is σ = 232100100. Its totient is φ = 39649280.

The previous prime is 99475379. The next prime is 99475403. The reversal of 99475400 is 457499.

It can be written as a sum of positive squares in 6 ways, for example, as 6584356 + 92891044 = 2566^2 + 9638^2 .

It is not an unprimeable number, because it can be changed into a prime (99475403) 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, 69896 + ... + 71304.

Almost surely, 2^99475400 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 99475400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116050050).

99475400 is an abundant number, since it is smaller than the sum of its proper divisors (132624700).

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

99475400 is a wasteful number, since it uses less digits than its factorization.

99475400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778 (or 1769 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 99475400 is about 9973.7355088252. The cubic root of 99475400 is about 463.3458007215.

The spelling of 99475400 in words is "ninety-nine million, four hundred seventy-five thousand, four hundred".