389861 has 12 divisors (see below), whose sum is σ = 442080. Its totient is φ = 342720.

The previous prime is 389849. The next prime is 389867. The reversal of 389861 is 168983.

It is not a de Polignac number, because 389861 - 2⁶ = 389797 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5456 + ... + 5526.

It is an arithmetic number, because the mean of its divisors is an integer number (36840).

2³⁸⁹⁸⁶¹ is an apocalyptic number.

It is an amenable number.

389861 is a deficient number, since it is larger than the sum of its proper divisors (52219).

389861 is a wasteful number, since it uses less digits than its factorization.

389861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 107 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 389861 is about 624.3885008550. The cubic root of 389861 is about 73.0527547609.

The spelling of 389861 in words is "three hundred eighty-nine thousand, eight hundred sixty-one".