6389023 has 4 divisors (see below), whose sum is σ = 6401808. Its totient is φ = 6376240.

The previous prime is 6389021. The next prime is 6389041. The reversal of 6389023 is 3209836.

It is a happy number.

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 6389023 - 2¹ = 6389021 is a prime.

It is a super-2 number, since 2×6389023² = 81639229789058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6389021) 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, 5611 + ... + 6652.

It is an arithmetic number, because the mean of its divisors is an integer number (1600452).

Almost surely, 2^6389023 is an apocalyptic number.

6389023 is a deficient number, since it is larger than the sum of its proper divisors (12785).

6389023 is a wasteful number, since it uses less digits than its factorization.

6389023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12784.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 6389023 is about 2527.6516769523. The cubic root of 6389023 is about 185.5573452656.

The spelling of 6389023 in words is "six million, three hundred eighty-nine thousand, twenty-three".