389820613 has 8 divisors (see below), whose sum is σ = 479779328. Its totient is φ = 308429424.

The previous prime is 389820589. The next prime is 389820617. The reversal of 389820613 is 316028983.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389820613 is a prime.

It is a super-2 number, since 2×389820613² = 303920220639391538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389820617) 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, 2141781 + ... + 2141962.

It is an arithmetic number, because the mean of its divisors is an integer number (59972416).

Almost surely, 2^389820613 is an apocalyptic number.

It is an amenable number.

389820613 is a deficient number, since it is larger than the sum of its proper divisors (89958715).

389820613 is a wasteful number, since it uses less digits than its factorization.

389820613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4283763.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 389820613 is about 19743.8753288203. The cubic root of 389820613 is about 730.5023208100.

The spelling of 389820613 in words is "three hundred eighty-nine million, eight hundred twenty thousand, six hundred thirteen".