389901 has 4 divisors (see below), whose sum is σ = 519872. Its totient is φ = 259932.

The previous prime is 389897. The next prime is 389903. The reversal of 389901 is 109983.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 389901 - 2² = 389897 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389903) 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 3 ways as a sum of consecutive naturals, for example, 64981 + ... + 64986.

It is an arithmetic number, because the mean of its divisors is an integer number (129968).

2³⁸⁹⁹⁰¹ is an apocalyptic number.

It is an amenable number.

389901 is a deficient number, since it is larger than the sum of its proper divisors (129971).

389901 is a wasteful number, since it uses less digits than its factorization.

389901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129970.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 389901 is about 624.4205313729. The cubic root of 389901 is about 73.0552530960.

The spelling of 389901 in words is "three hundred eighty-nine thousand, nine hundred one".