996593139 has 20 divisors (see below), whose sum is σ = 1498239424. Its totient is φ = 660155184.

The previous prime is 996593119. The next prime is 996593141. The reversal of 996593139 is 931395699.

It is a happy number.

It is not a de Polignac number, because 996593139 - 2⁵ = 996593107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (996593119) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26467 + ... + 51900.

Almost surely, 2^996593139 is an apocalyptic number.

996593139 is a deficient number, since it is larger than the sum of its proper divisors (501646285).

996593139 is a wasteful number, since it uses less digits than its factorization.

996593139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78536 (or 78527 counting only the distinct ones).

The product of its digits is 1771470, while the sum is 54.

The square root of 996593139 is about 31568.8634416889. The cubic root of 996593139 is about 998.8630875867.

The spelling of 996593139 in words is "nine hundred ninety-six million, five hundred ninety-three thousand, one hundred thirty-nine".