389438093 has 8 divisors (see below), whose sum is σ = 443313216. Its totient is φ = 338641600.

The previous prime is 389438069. The next prime is 389438141. The reversal of 389438093 is 390834983.

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

It is not a de Polignac number, because 389438093 - 2⁸ = 389437837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389438033) 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, 769388 + ... + 769893.

It is an arithmetic number, because the mean of its divisors is an integer number (55414152).

Almost surely, 2^389438093 is an apocalyptic number.

It is an amenable number.

389438093 is a deficient number, since it is larger than the sum of its proper divisors (53875123).

389438093 is a wasteful number, since it uses less digits than its factorization.

389438093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539315.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 389438093 is about 19734.1858965603. The cubic root of 389438093 is about 730.2633021539.

The spelling of 389438093 in words is "three hundred eighty-nine million, four hundred thirty-eight thousand, ninety-three".