389690 has 32 divisors (see below), whose sum is σ = 846720. Its totient is φ = 126144.

The previous prime is 389687. The next prime is 389699. The reversal of 389690 is 96983.

It is a super-2 number, since 2×389690² = 303716592200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 389690.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1184 + ... + 1476.

It is an arithmetic number, because the mean of its divisors is an integer number (26460).

2³⁸⁹⁶⁹⁰ is an apocalyptic number.

389690 is an abundant number, since it is smaller than the sum of its proper divisors (457030).

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

389690 is a wasteful number, since it uses less digits than its factorization.

389690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326.

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

The square root of 389690 is about 624.2515518603. The cubic root of 389690 is about 73.0420724511.

The spelling of 389690 in words is "three hundred eighty-nine thousand, six hundred ninety".