99970339 has 6 divisors (see below), whose sum is σ = 116292084. Its totient is φ = 85688820.

The previous prime is 99970307. The next prime is 99970369. The reversal of 99970339 is 93307999.

It is a happy number.

It is not a de Polignac number, because 99970339 - 2⁵ = 99970307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 2040211 = 99970339 / (9 + 9 + 9 + 7 + 0 + 3 + 3 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99970292 and 99970301.

It is not an unprimeable number, because it can be changed into a prime (99970369) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1020057 + ... + 1020154.

It is an arithmetic number, because the mean of its divisors is an integer number (19382014).

Almost surely, 2^99970339 is an apocalyptic number.

99970339 is a deficient number, since it is larger than the sum of its proper divisors (16321745).

99970339 is a wasteful number, since it uses less digits than its factorization.

99970339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040225 (or 2040218 counting only the distinct ones).

The product of its (nonzero) digits is 413343, while the sum is 49.

The square root of 99970339 is about 9998.5168400118. The cubic root of 99970339 is about 464.1129874345.

The spelling of 99970339 in words is "ninety-nine million, nine hundred seventy thousand, three hundred thirty-nine".