389332673 has 4 divisors (see below), whose sum is σ = 390961920. Its totient is φ = 387703428.

The previous prime is 389332663. The next prime is 389332693. The reversal of 389332673 is 376233983.

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.

It is a cyclic number.

It is not a de Polignac number, because 389332673 - 2⁶ = 389332609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389332613) 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, 814265 + ... + 814742.

It is an arithmetic number, because the mean of its divisors is an integer number (97740480).

Almost surely, 2^389332673 is an apocalyptic number.

It is an amenable number.

389332673 is a deficient number, since it is larger than the sum of its proper divisors (1629247).

389332673 is a wasteful number, since it uses less digits than its factorization.

389332673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629246.

The product of its digits is 489888, while the sum is 44.

The square root of 389332673 is about 19731.5147163111. The cubic root of 389332673 is about 730.1974026727.

The spelling of 389332673 in words is "three hundred eighty-nine million, three hundred thirty-two thousand, six hundred seventy-three".