389492 has 6 divisors (see below), whose sum is σ = 681618. Its totient is φ = 194744.

The previous prime is 389483. The next prime is 389507. The reversal of 389492 is 294983.

It can be written as a sum of positive squares in only one way, i.e., 234256 + 155236 = 484^2 + 394^2 .

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

It is a congruent number.

It is an unprimeable number.

389492 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 48683 + ... + 48690.

It is an arithmetic number, because the mean of its divisors is an integer number (113603).

2³⁸⁹⁴⁹² is an apocalyptic number.

It is an amenable number.

389492 is a deficient number, since it is larger than the sum of its proper divisors (292126).

389492 is a wasteful number, since it uses less digits than its factorization.

389492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97377 (or 97375 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 389492 is about 624.0929417963. The cubic root of 389492 is about 73.0296995560.

The spelling of 389492 in words is "three hundred eighty-nine thousand, four hundred ninety-two".