99598240 has 96 divisors (see below), whose sum is σ = 284788224. Its totient is φ = 32133120.

The previous prime is 99598237. The next prime is 99598243. The reversal of 99598240 is 4289599.

It is an interprime number because it is at equal distance from previous prime (99598237) and next prime (99598243).

It is a super-2 number, since 2×99598240² = 19839618822195200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99598243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16425 + ... + 21655.

It is an arithmetic number, because the mean of its divisors is an integer number (2966544).

Almost surely, 2^99598240 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 99598240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142394112).

99598240 is an abundant number, since it is smaller than the sum of its proper divisors (185189984).

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

99598240 is a wasteful number, since it uses less digits than its factorization.

99598240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5270 (or 5262 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 99598240 is about 9979.8917829804. The cubic root of 99598240 is about 463.5364474728.

It can be divided in two parts, 995 and 98240, that added together give a triangular number (99235 = T₄₄₅).

The spelling of 99598240 in words is "ninety-nine million, five hundred ninety-eight thousand, two hundred forty".