99327990 has 16 divisors (see below), whose sum is σ = 238387248. Its totient is φ = 26487456.

The previous prime is 99327983. The next prime is 99327997. The reversal of 99327990 is 9972399.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (99327983) and next prime (99327997).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99327997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1655437 + ... + 1655496.

It is an arithmetic number, because the mean of its divisors is an integer number (14899203).

Almost surely, 2^99327990 is an apocalyptic number.

99327990 is an abundant number, since it is smaller than the sum of its proper divisors (139059258).

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

99327990 is a wasteful number, since it uses less digits than its factorization.

99327990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310943.

The product of its (nonzero) digits is 275562, while the sum is 48.

The square root of 99327990 is about 9966.3428598458. The cubic root of 99327990 is about 463.1168142233.

The spelling of 99327990 in words is "ninety-nine million, three hundred twenty-seven thousand, nine hundred ninety".