8390312039 has 16 divisors (see below), whose sum is σ = 9156753216. Its totient is φ = 7657843200.

The previous prime is 8390312033. The next prime is 8390312057. The reversal of 8390312039 is 9302130938.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8390312039 is a prime.

It is a super-2 number, since 2×8390312039² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8390311993 and 8390312011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8390312033) 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, 16649 + ... + 130605.

It is an arithmetic number, because the mean of its divisors is an integer number (572297076).

Almost surely, 2^8390312039 is an apocalyptic number.

8390312039 is a deficient number, since it is larger than the sum of its proper divisors (766441177).

8390312039 is a wasteful number, since it uses less digits than its factorization.

8390312039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114106.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 8390312039 is about 91598.6464910918. The cubic root of 8390312039 is about 2032.0109202783.

The spelling of 8390312039 in words is "eight billion, three hundred ninety million, three hundred twelve thousand, thirty-nine".