389232971 has 8 divisors (see below), whose sum is σ = 396153600. Its totient is φ = 382323240.

The previous prime is 389232953. The next prime is 389232973. The reversal of 389232971 is 179232983.

It is a happy number.

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 389232971 - 2¹⁴ = 389216587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389232973) 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, 109106 + ... + 112616.

It is an arithmetic number, because the mean of its divisors is an integer number (49519200).

Almost surely, 2^389232971 is an apocalyptic number.

389232971 is a deficient number, since it is larger than the sum of its proper divisors (6920629).

389232971 is a wasteful number, since it uses less digits than its factorization.

389232971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5449.

The product of its digits is 163296, while the sum is 44.

The square root of 389232971 is about 19728.9880885969. The cubic root of 389232971 is about 730.1350666450.

It can be divided in two parts, 3892 and 32971, that added together give a palindrome (36863).

The spelling of 389232971 in words is "three hundred eighty-nine million, two hundred thirty-two thousand, nine hundred seventy-one".