99870339 has 16 divisors (see below), whose sum is σ = 134956800. Its totient is φ = 65688480.

The previous prime is 99870319. The next prime is 99870341. The reversal of 99870339 is 93307899.

It is not a de Polignac number, because 99870339 - 2⁵ = 99870307 is a prime.

It is a super-2 number, since 2×99870339² = 19948169223949842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99870319) 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, 77569 + ... + 78845.

It is an arithmetic number, because the mean of its divisors is an integer number (8434800).

Almost surely, 2^99870339 is an apocalyptic number.

99870339 is a deficient number, since it is larger than the sum of its proper divisors (35086461).

99870339 is a wasteful number, since it uses less digits than its factorization.

99870339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610.

The product of its (nonzero) digits is 367416, while the sum is 48.

The square root of 99870339 is about 9993.5148471396. The cubic root of 99870339 is about 463.9581855774.

The spelling of 99870339 in words is "ninety-nine million, eight hundred seventy thousand, three hundred thirty-nine".