389960 has 16 divisors (see below), whose sum is σ = 877500. Its totient is φ = 155968.

The previous prime is 389957. The next prime is 389971. The reversal of 389960 is 69983.

389960 = T₅₆ + T₅₇ + ... + T₁₃₅.

It can be written as a sum of positive squares in 2 ways, for example, as 362404 + 27556 = 602^2 + 166^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 389960.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4835 + ... + 4914.

2³⁸⁹⁹⁶⁰ is an apocalyptic number.

It is an amenable number.

389960 is an abundant number, since it is smaller than the sum of its proper divisors (487540).

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

389960 is a wasteful number, since it uses less digits than its factorization.

389960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9760 (or 9756 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 389960 is about 624.4677733879. The cubic root of 389960 is about 73.0589378284.

The spelling of 389960 in words is "three hundred eighty-nine thousand, nine hundred sixty".