99873210 has 32 divisors (see below), whose sum is σ = 241315200. Its totient is φ = 26452928.

The previous prime is 99873203. The next prime is 99873217. The reversal of 99873210 is 1237899.

It is an interprime number because it is at equal distance from previous prime (99873203) and next prime (99873217).

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (99873217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6702 + ... + 15641.

It is an arithmetic number, because the mean of its divisors is an integer number (7541100).

Almost surely, 2^99873210 is an apocalyptic number.

99873210 is an abundant number, since it is smaller than the sum of its proper divisors (141441990).

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

99873210 is a wasteful number, since it uses less digits than its factorization.

99873210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22502.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 99873210 is about 9993.6584892621. The cubic root of 99873210 is about 463.9626313792.

The spelling of 99873210 in words is "ninety-nine million, eight hundred seventy-three thousand, two hundred ten".