99343590 has 48 divisors (see below), whose sum is σ = 251661168. Its totient is φ = 25094592.

The previous prime is 99343577. The next prime is 99343619. The reversal of 99343590 is 9534399.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6244 + ... + 15416.

It is an arithmetic number, because the mean of its divisors is an integer number (5242941).

Almost surely, 2^99343590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99343590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125830584).

99343590 is an abundant number, since it is smaller than the sum of its proper divisors (152317578).

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

99343590 is a wasteful number, since it uses less digits than its factorization.

99343590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9221 (or 9202 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 42.

The square root of 99343590 is about 9967.1254632416. The cubic root of 99343590 is about 463.1410579574.

The spelling of 99343590 in words is "ninety-nine million, three hundred forty-three thousand, five hundred ninety".