389970039 has 8 divisors (see below), whose sum is σ = 520248960. Its totient is φ = 259835576.

The previous prime is 389970019. The next prime is 389970059. The reversal of 389970039 is 930079983.

It is an interprime number because it is at equal distance from previous prime (389970019) and next prime (389970059).

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

It is a cyclic number.

It is not a de Polignac number, because 389970039 - 2²⁷ = 255752311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 389970039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389970019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29649 + ... + 40730.

It is an arithmetic number, because the mean of its divisors is an integer number (65031120).

Almost surely, 2^389970039 is an apocalyptic number.

389970039 is a deficient number, since it is larger than the sum of its proper divisors (130278921).

389970039 is a wasteful number, since it uses less digits than its factorization.

389970039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72229.

The product of its (nonzero) digits is 367416, while the sum is 48.

The square root of 389970039 is about 19747.6590764576. The cubic root of 389970039 is about 730.5956475795.

The spelling of 389970039 in words is "three hundred eighty-nine million, nine hundred seventy thousand, thirty-nine".