389833573 has 4 divisors (see below), whose sum is σ = 403276140. Its totient is φ = 376391008.

The previous prime is 389833553. The next prime is 389833597. The reversal of 389833573 is 375338983.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 208715809 + 181117764 = 14447^2 + 13458^2 .

It is a cyclic number.

It is not a de Polignac number, because 389833573 - 2⁵ = 389833541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389833513) 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, 6721240 + ... + 6721297.

It is an arithmetic number, because the mean of its divisors is an integer number (100819035).

Almost surely, 2^389833573 is an apocalyptic number.

It is an amenable number.

389833573 is a deficient number, since it is larger than the sum of its proper divisors (13442567).

389833573 is a wasteful number, since it uses less digits than its factorization.

389833573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13442566.

The product of its digits is 1632960, while the sum is 49.

The square root of 389833573 is about 19744.2035291374. The cubic root of 389833573 is about 730.5104161619.

The spelling of 389833573 in words is "three hundred eighty-nine million, eight hundred thirty-three thousand, five hundred seventy-three".