389588217 has 16 divisors (see below), whose sum is σ = 558428160. Its totient is φ = 240818832.

The previous prime is 389588197. The next prime is 389588257. The reversal of 389588217 is 712885983.

It is not a de Polignac number, because 389588217 - 2⁶ = 389588153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 389588217.

It is not an unprimeable number, because it can be changed into a prime (389588257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70033 + ... + 75390.

It is an arithmetic number, because the mean of its divisors is an integer number (34901760).

Almost surely, 2^389588217 is an apocalyptic number.

It is an amenable number.

389588217 is a deficient number, since it is larger than the sum of its proper divisors (168839943).

389588217 is a wasteful number, since it uses less digits than its factorization.

389588217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145492.

The product of its digits is 967680, while the sum is 51.

The square root of 389588217 is about 19737.9891832983. The cubic root of 389588217 is about 730.3571261924.

The spelling of 389588217 in words is "three hundred eighty-nine million, five hundred eighty-eight thousand, two hundred seventeen".