99400250 has 64 divisors (see below), whose sum is σ = 198132480. Its totient is φ = 37259200.

The previous prime is 99400247. The next prime is 99400271. The reversal of 99400250 is 5200499.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 339104 + ... + 339396.

It is an arithmetic number, because the mean of its divisors is an integer number (3095820).

Almost surely, 2^99400250 is an apocalyptic number.

99400250 is a deficient number, since it is larger than the sum of its proper divisors (98732230).

99400250 is a wasteful number, since it uses less digits than its factorization.

99400250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 99400250 is about 9969.9674021533. The cubic root of 99400250 is about 463.2290910991.

The spelling of 99400250 in words is "ninety-nine million, four hundred thousand, two hundred fifty".