389706897 has 8 divisors (see below), whose sum is σ = 519757344. Its totient is φ = 259730528.

The previous prime is 389706887. The next prime is 389706931. The reversal of 389706897 is 798607983.

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 389706897 - 2¹² = 389702801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389706887) 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, 4788 + ... + 28325.

It is an arithmetic number, because the mean of its divisors is an integer number (64969668).

Almost surely, 2^389706897 is an apocalyptic number.

It is an amenable number.

389706897 is a deficient number, since it is larger than the sum of its proper divisors (130050447).

389706897 is a wasteful number, since it uses less digits than its factorization.

389706897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37039.

The product of its (nonzero) digits is 4572288, while the sum is 57.

The square root of 389706897 is about 19740.9953396479. The cubic root of 389706897 is about 730.4312813985.

The spelling of 389706897 in words is "three hundred eighty-nine million, seven hundred six thousand, eight hundred ninety-seven".