99432210 has 16 divisors (see below), whose sum is σ = 238637376. Its totient is φ = 26515248.

The previous prime is 99432199. The next prime is 99432217. The reversal of 99432210 is 1223499.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 3314407 = 99432210 / (9 + 9 + 4 + 3 + 2 + 2 + 1 + 0).

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (99432217) 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, 1657174 + ... + 1657233.

It is an arithmetic number, because the mean of its divisors is an integer number (14914836).

Almost surely, 2^99432210 is an apocalyptic number.

99432210 is an abundant number, since it is smaller than the sum of its proper divisors (139205166).

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

99432210 is a wasteful number, since it uses less digits than its factorization.

99432210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314417.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 99432210 is about 9971.5700870023. The cubic root of 99432210 is about 463.2787328767.

The spelling of 99432210 in words is "ninety-nine million, four hundred thirty-two thousand, two hundred ten".