389386 has 8 divisors (see below), whose sum is σ = 614880. Its totient is φ = 184428.

The previous prime is 389381. The next prime is 389399. The reversal of 389386 is 683983.

389386 = T₅₀₈ + T₅₀₉ + T₅₁₀.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×389386³ = 177117817961533368, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (389381) 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, 5086 + ... + 5161.

It is an arithmetic number, because the mean of its divisors is an integer number (76860).

2³⁸⁹³⁸⁶ is an apocalyptic number.

389386 is the 510-th centered triangular number.

389386 is a deficient number, since it is larger than the sum of its proper divisors (225494).

389386 is a wasteful number, since it uses less digits than its factorization.

389386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10268.

The product of its digits is 31104, while the sum is 37.

The square root of 389386 is about 624.0080127691. The cubic root of 389386 is about 73.0230739595.

The spelling of 389386 in words is "three hundred eighty-nine thousand, three hundred eighty-six".