389422617 has 8 divisors (see below), whose sum is σ = 519613824. Its totient is φ = 259423248.

The previous prime is 389422603. The next prime is 389422619. The reversal of 389422617 is 716224983.

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

It is not a de Polignac number, because 389422617 - 2⁴ = 389422601 is a prime.

It is a super-2 number, since 2×389422617² = 303299949262257378, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (389422619) 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, 43153 + ... + 51390.

It is an arithmetic number, because the mean of its divisors is an integer number (64951728).

Almost surely, 2^389422617 is an apocalyptic number.

It is an amenable number.

389422617 is a deficient number, since it is larger than the sum of its proper divisors (130191207).

389422617 is a wasteful number, since it uses less digits than its factorization.

389422617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95919.

The product of its digits is 145152, while the sum is 42.

The square root of 389422617 is about 19733.7937812272. The cubic root of 389422617 is about 730.2536286398.

The spelling of 389422617 in words is "three hundred eighty-nine million, four hundred twenty-two thousand, six hundred seventeen".