389935 has 16 divisors (see below), whose sum is σ = 576576. Its totient is φ = 246528.

The previous prime is 389927. The next prime is 389941. The reversal of 389935 is 539983.

389935 = T₁₄₆ + T₁₄₇ + ... + T₁₇₅.

It is a cyclic number.

It is not a de Polignac number, because 389935 - 2³ = 389927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 389894 and 389903.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 27 + ... + 883.

It is an arithmetic number, because the mean of its divisors is an integer number (36036).

389935 is a Friedman number, since it can be written as 39-9^3+5^8, using all its digits and the basic arithmetic operations.

2³⁸⁹⁹³⁵ is an apocalyptic number.

389935 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

389935 is a deficient number, since it is larger than the sum of its proper divisors (186641).

389935 is a wasteful number, since it uses less digits than its factorization.

389935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882.

The product of its digits is 29160, while the sum is 37.

The square root of 389935 is about 624.4477560213. The cubic root of 389935 is about 73.0573765465.

The spelling of 389935 in words is "three hundred eighty-nine thousand, nine hundred thirty-five".