99835290 has 24 divisors (see below), whose sum is σ = 259571988. Its totient is φ = 26622720.

The previous prime is 99835279. The next prime is 99835297. The reversal of 99835290 is 9253899.

It can be written as a sum of positive squares in 2 ways, for example, as 97002801 + 2832489 = 9849^2 + 1683^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (99835297) 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, 554551 + ... + 554730.

Almost surely, 2^99835290 is an apocalyptic number.

99835290 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

99835290 is an abundant number, since it is smaller than the sum of its proper divisors (159736698).

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

99835290 is a wasteful number, since it uses less digits than its factorization.

99835290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109294 (or 1109291 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 99835290 is about 9991.7611060313. The cubic root of 99835290 is about 463.9039046192.

The spelling of 99835290 in words is "ninety-nine million, eight hundred thirty-five thousand, two hundred ninety".