99830574 has 24 divisors (see below), whose sum is σ = 218908872. Its totient is φ = 32875440.

The previous prime is 99830573. The next prime is 99830609. The reversal of 99830574 is 47503899.

It is a super-2 number, since 2×99830574² = 19932287010338952, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99830573) 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, 31917 + ... + 34904.

It is an arithmetic number, because the mean of its divisors is an integer number (9121203).

Almost surely, 2^99830574 is an apocalyptic number.

99830574 is an abundant number, since it is smaller than the sum of its proper divisors (119078298).

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

99830574 is a wasteful number, since it uses less digits than its factorization.

99830574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66912 (or 66909 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 99830574 is about 9991.5251088110. The cubic root of 99830574 is about 463.8965999034.

The spelling of 99830574 in words is "ninety-nine million, eight hundred thirty thousand, five hundred seventy-four".