99357440 has 144 divisors (see below), whose sum is σ = 293256768. Its totient is φ = 31408128.

The previous prime is 99357439. The next prime is 99357487. The reversal of 99357440 is 4475399.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116054 + ... + 116906.

Almost surely, 2^99357440 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 99357440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146628384).

99357440 is an abundant number, since it is smaller than the sum of its proper divisors (193899328).

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

99357440 is a wasteful number, since it uses less digits than its factorization.

99357440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 99357440 is about 9967.8202230979. The cubic root of 99357440 is about 463.1625799149.

The spelling of 99357440 in words is "ninety-nine million, three hundred fifty-seven thousand, four hundred forty".