389396113 has 4 divisors (see below), whose sum is σ = 390518640. Its totient is φ = 388273588.

The previous prime is 389396099. The next prime is 389396131. The reversal of 389396113 is 311693983.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311693983 = 67 ⋅4652149.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389396113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 389396113.

It is not an unprimeable number, because it can be changed into a prime (389396213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560743 + ... + 561436.

It is an arithmetic number, because the mean of its divisors is an integer number (97629660).

Almost surely, 2^389396113 is an apocalyptic number.

It is an amenable number.

389396113 is a deficient number, since it is larger than the sum of its proper divisors (1122527).

389396113 is a wasteful number, since it uses less digits than its factorization.

389396113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122526.

The product of its digits is 104976, while the sum is 43.

The square root of 389396113 is about 19733.1222314159. The cubic root of 389396113 is about 730.2370613079.

The spelling of 389396113 in words is "three hundred eighty-nine million, three hundred ninety-six thousand, one hundred thirteen".