389085417 has 16 divisors (see below), whose sum is σ = 658769280. Its totient is φ = 222334416.

The previous prime is 389085337. The next prime is 389085421. The reversal of 389085417 is 714580983.

It is not a de Polignac number, because 389085417 - 2⁷ = 389085289 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (389085217) 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, 1029138 + ... + 1029515.

It is an arithmetic number, because the mean of its divisors is an integer number (41173080).

Almost surely, 2^389085417 is an apocalyptic number.

It is an amenable number.

389085417 is a deficient number, since it is larger than the sum of its proper divisors (269683863).

389085417 is a wasteful number, since it uses less digits than its factorization.

389085417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058669 (or 2058663 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 389085417 is about 19725.2482113661. The cubic root of 389085417 is about 730.0427928877.

The spelling of 389085417 in words is "three hundred eighty-nine million, eighty-five thousand, four hundred seventeen".