389004959 has 4 divisors (see below), whose sum is σ = 444577104. Its totient is φ = 333432816.

The previous prime is 389004949. The next prime is 389004971. The reversal of 389004959 is 959400983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 389004959 - 2⁴ = 389004943 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 (389004949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27786062 + ... + 27786075.

It is an arithmetic number, because the mean of its divisors is an integer number (111144276).

Almost surely, 2^389004959 is an apocalyptic number.

389004959 is a deficient number, since it is larger than the sum of its proper divisors (55572145).

389004959 is an equidigital number, since it uses as much as digits as its factorization.

389004959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55572144.

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 389004959 is about 19723.2086385557. The cubic root of 389004959 is about 729.9924681777.

The spelling of 389004959 in words is "three hundred eighty-nine million, four thousand, nine hundred fifty-nine".