99996939 has 24 divisors (see below), whose sum is σ = 172253952. Its totient is φ = 54655920.

The previous prime is 99996931. The next prime is 99996947. The reversal of 99996939 is 93969999.

It is an interprime number because it is at equal distance from previous prime (99996931) and next prime (99996947).

It is not a de Polignac number, because 99996939 - 2³ = 99996931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (99996931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33057 + ... + 35954.

It is an arithmetic number, because the mean of its divisors is an integer number (7177248).

Almost surely, 2^99996939 is an apocalyptic number.

99996939 is a deficient number, since it is larger than the sum of its proper divisors (72257013).

99996939 is a wasteful number, since it uses less digits than its factorization.

99996939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69047 (or 69044 counting only the distinct ones).

The product of its digits is 9565938, while the sum is 63.

The square root of 99996939 is about 9999.8469488288. The cubic root of 99996939 is about 464.1541473451.

The spelling of 99996939 in words is "ninety-nine million, nine hundred ninety-six thousand, nine hundred thirty-nine".