389501 has 6 divisors (see below), whose sum is σ = 453150. Its totient is φ = 333816.

The previous prime is 389483. The next prime is 389507. The reversal of 389501 is 105983.

It can be written as a sum of positive squares in only one way, i.e., 329476 + 60025 = 574^2 + 245^2 .

It is not a de Polignac number, because 389501 - 2⁶ = 389437 is a prime.

It is a super-2 number, since 2×389501² = 303422058002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389507) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3926 + ... + 4023.

It is an arithmetic number, because the mean of its divisors is an integer number (75525).

2³⁸⁹⁵⁰¹ is an apocalyptic number.

It is an amenable number.

389501 is a deficient number, since it is larger than the sum of its proper divisors (63649).

389501 is an equidigital number, since it uses as much as digits as its factorization.

389501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7963 (or 7956 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 389501 is about 624.1001522192. The cubic root of 389501 is about 73.0302620513.

The spelling of 389501 in words is "three hundred eighty-nine thousand, five hundred one".