389677 has 4 divisors (see below), whose sum is σ = 398016. Its totient is φ = 381340.

The previous prime is 389663. The next prime is 389687. The reversal of 389677 is 776983.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389677 is a prime.

It is an Ulam number.

It is a Duffinian number.

389677 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4099 + ... + 4192.

It is an arithmetic number, because the mean of its divisors is an integer number (99504).

2³⁸⁹⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

389677 is a deficient number, since it is larger than the sum of its proper divisors (8339).

389677 is an equidigital number, since it uses as much as digits as its factorization.

389677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8338.

The product of its digits is 63504, while the sum is 40.

The square root of 389677 is about 624.2411393044. The cubic root of 389677 is about 73.0412602179.

It can be divided in two parts, 3896 and 77, that multiplied together give a palindrome (299992).

The spelling of 389677 in words is "three hundred eighty-nine thousand, six hundred seventy-seven".