9995939 has 6 divisors (see below), whose sum is σ = 10124796. Its totient is φ = 9868700.

The previous prime is 9995927. The next prime is 9995971. The reversal of 9995939 is 9395999.

It is not a de Polignac number, because 9995939 - 2⁸ = 9995683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9995989) 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, 6164 + ... + 7614.

It is an arithmetic number, because the mean of its divisors is an integer number (1687466).

Almost surely, 2^9995939 is an apocalyptic number.

9995939 is a deficient number, since it is larger than the sum of its proper divisors (128857).

9995939 is an equidigital number, since it uses as much as digits as its factorization.

9995939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617 (or 1534 counting only the distinct ones).

The product of its digits is 885735, while the sum is 53.

The square root of 9995939 is about 3161.6354944870. The cubic root of 9995939 is about 215.4143011902.

The spelling of 9995939 in words is "nine million, nine hundred ninety-five thousand, nine hundred thirty-nine".