389522893 has 8 divisors (see below), whose sum is σ = 392780000. Its totient is φ = 386276688.

The previous prime is 389522879. The next prime is 389522899. The reversal of 389522893 is 398225983.

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 389522893 - 2²¹ = 387425741 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 (389522899) 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, 78943 + ... + 83731.

It is an arithmetic number, because the mean of its divisors is an integer number (49097500).

Almost surely, 2^389522893 is an apocalyptic number.

It is an amenable number.

389522893 is a deficient number, since it is larger than the sum of its proper divisors (3257107).

389522893 is a wasteful number, since it uses less digits than its factorization.

389522893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5451.

The product of its digits is 933120, while the sum is 49.

The square root of 389522893 is about 19736.3343354332. The cubic root of 389522893 is about 730.3163031613.

The spelling of 389522893 in words is "three hundred eighty-nine million, five hundred twenty-two thousand, eight hundred ninety-three".