389485 has 8 divisors (see below), whose sum is σ = 475416. Its totient is φ = 306240.

The previous prime is 389483. The next prime is 389507. The reversal of 389485 is 584983.

It can be written as a sum of positive squares in 4 ways, for example, as 3844 + 385641 = 62^2 + 621^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 389485 - 2¹ = 389483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334 + ... + 943.

It is an arithmetic number, because the mean of its divisors is an integer number (59427).

2³⁸⁹⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

389485 is a deficient number, since it is larger than the sum of its proper divisors (85931).

389485 is a wasteful number, since it uses less digits than its factorization.

389485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343.

The product of its digits is 34560, while the sum is 37.

The square root of 389485 is about 624.0873336321. The cubic root of 389485 is about 73.0292620537.

The spelling of 389485 in words is "three hundred eighty-nine thousand, four hundred eighty-five".