389230847 has 4 divisors (see below), whose sum is σ = 395828040. Its totient is φ = 382633656.

The previous prime is 389230819. The next prime is 389230913. The reversal of 389230847 is 748032983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 748032983 = 19 ⋅39370157.

It is a cyclic number.

It is not a de Polignac number, because 389230847 - 2⁶ = 389230783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 389230798 and 389230807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389230747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3298508 + ... + 3298625.

It is an arithmetic number, because the mean of its divisors is an integer number (98957010).

Almost surely, 2^389230847 is an apocalyptic number.

389230847 is a deficient number, since it is larger than the sum of its proper divisors (6597193).

389230847 is an equidigital number, since it uses as much as digits as its factorization.

389230847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6597192.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 389230847 is about 19728.9342591028. The cubic root of 389230847 is about 730.1337385546.

The spelling of 389230847 in words is "three hundred eighty-nine million, two hundred thirty thousand, eight hundred forty-seven".