389976 has 16 divisors (see below), whose sum is σ = 975000. Its totient is φ = 129984.

The previous prime is 389971. The next prime is 389981. The reversal of 389976 is 679983.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (389971) and next prime (389981).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389971) 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, 8101 + ... + 8148.

2³⁸⁹⁹⁷⁶ is an apocalyptic number.

It is an amenable number.

389976 is an abundant number, since it is smaller than the sum of its proper divisors (585024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389976 is a wasteful number, since it uses less digits than its factorization.

389976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16258 (or 16254 counting only the distinct ones).

The product of its digits is 81648, while the sum is 42.

The square root of 389976 is about 624.4805841658. The cubic root of 389976 is about 73.0599370138.

The spelling of 389976 in words is "three hundred eighty-nine thousand, nine hundred seventy-six".