389479 has 2 divisors, whose sum is σ = 389480. Its totient is φ = 389478.

The previous prime is 389461. The next prime is 389483. The reversal of 389479 is 974983.

It is a strong prime.

It is an emirp because it is prime and its reverse (974983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 389479 - 2⁵ = 389447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389579) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194739 + 194740.

It is an arithmetic number, because the mean of its divisors is an integer number (194740).

2³⁸⁹⁴⁷⁹ is an apocalyptic number.

389479 is a deficient number, since it is larger than the sum of its proper divisors (1).

389479 is an equidigital number, since it uses as much as digits as its factorization.

389479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 40.

The square root of 389479 is about 624.0825265940. The cubic root of 389479 is about 73.0288870475.

It can be divided in two parts, 389 and 479, that added together give a palindrome (868).

The spelling of 389479 in words is "three hundred eighty-nine thousand, four hundred seventy-nine".