389733 has 8 divisors (see below), whose sum is σ = 523488. Its totient is φ = 257904.

The previous prime is 389723. The next prime is 389743. The reversal of 389733 is 337983.

It is an interprime number because it is at equal distance from previous prime (389723) and next prime (389743).

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

It is not a de Polignac number, because 389733 - 2¹³ = 381541 is a prime.

It is a super-2 number, since 2×389733² = 303783622578, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 389694 and 389703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389713) 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 7 ways as a sum of consecutive naturals, for example, 91 + ... + 887.

It is an arithmetic number, because the mean of its divisors is an integer number (65436).

2³⁸⁹⁷³³ is an apocalyptic number.

It is an amenable number.

389733 is a deficient number, since it is larger than the sum of its proper divisors (133755).

389733 is a wasteful number, since it uses less digits than its factorization.

389733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963.

The product of its digits is 13608, while the sum is 33.

The square root of 389733 is about 624.2859921542. The cubic root of 389733 is about 73.0447589400.

The spelling of 389733 in words is "three hundred eighty-nine thousand, seven hundred thirty-three".