3120938639 has 8 divisors (see below), whose sum is σ = 3841155360. Its totient is φ = 2469314016.

The previous prime is 3120938599. The next prime is 3120938677. The reversal of 3120938639 is 9368390213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3120938639 - 2⁸ = 3120938383 is a prime.

It is a super-3 number, since 3×3120938639³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3120938639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120938699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17147924 + ... + 17148105.

It is an arithmetic number, because the mean of its divisors is an integer number (480144420).

Almost surely, 2^3120938639 is an apocalyptic number.

3120938639 is a deficient number, since it is larger than the sum of its proper divisors (720216721).

3120938639 is a wasteful number, since it uses less digits than its factorization.

3120938639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34296049.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 3120938639 is about 55865.3617100973. The cubic root of 3120938639 is about 1461.3752349770.

The spelling of 3120938639 in words is "three billion, one hundred twenty million, nine hundred thirty-eight thousand, six hundred thirty-nine".