389950 has 24 divisors (see below), whose sum is σ = 792360. Its totient is φ = 141600.

The previous prime is 389947. The next prime is 389953. The reversal of 389950 is 59983.

It is an interprime number because it is at equal distance from previous prime (389947) and next prime (389953).

It is a super-2 number, since 2×389950² = 304122005000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196 + ... + 904.

It is an arithmetic number, because the mean of its divisors is an integer number (33015).

2³⁸⁹⁹⁵⁰ is an apocalyptic number.

389950 is an abundant number, since it is smaller than the sum of its proper divisors (402410).

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

389950 is a wasteful number, since it uses less digits than its factorization.

389950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 389950 is about 624.4597665182. The cubic root of 389950 is about 73.0583133236.

The spelling of 389950 in words is "three hundred eighty-nine thousand, nine hundred fifty".