389379 has 4 divisors (see below), whose sum is σ = 519176. Its totient is φ = 259584.

The previous prime is 389369. The next prime is 389381. The reversal of 389379 is 973983.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973983 = 3 ⋅324661.

It is a de Polignac number, because none of the positive numbers 2^k-389379 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 389379.

It is not an unprimeable number, because it can be changed into a prime (389369) 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, 64894 + ... + 64899.

It is an arithmetic number, because the mean of its divisors is an integer number (129794).

2³⁸⁹³⁷⁹ is an apocalyptic number.

389379 is a deficient number, since it is larger than the sum of its proper divisors (129797).

389379 is a wasteful number, since it uses less digits than its factorization.

389379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129796.

The product of its digits is 40824, while the sum is 39.

The square root of 389379 is about 624.0024038415. The cubic root of 389379 is about 73.0226363778.

The spelling of 389379 in words is "three hundred eighty-nine thousand, three hundred seventy-nine".