99347990 has 24 divisors (see below), whose sum is σ = 208023552. Its totient is φ = 34062000.

The previous prime is 99347981. The next prime is 99347993. The reversal of 99347990 is 9974399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99347993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100886 + ... + 101865.

It is an arithmetic number, because the mean of its divisors is an integer number (8667648).

Almost surely, 2^99347990 is an apocalyptic number.

99347990 is an abundant number, since it is smaller than the sum of its proper divisors (108675562).

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

99347990 is a wasteful number, since it uses less digits than its factorization.

99347990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202772 (or 202765 counting only the distinct ones).

The product of its (nonzero) digits is 551124, while the sum is 50.

The square root of 99347990 is about 9967.3461864229. The cubic root of 99347990 is about 463.1478954747.

The spelling of 99347990 in words is "ninety-nine million, three hundred forty-seven thousand, nine hundred ninety".