6398023 has 8 divisors (see below), whose sum is σ = 6562080. Its totient is φ = 6236160.

The previous prime is 6398017. The next prime is 6398057. The reversal of 6398023 is 3208936.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6398023 - 2⁵ = 6397991 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 (6398083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6423 + ... + 7351.

It is an arithmetic number, because the mean of its divisors is an integer number (820260).

Almost surely, 2^6398023 is an apocalyptic number.

6398023 is a deficient number, since it is larger than the sum of its proper divisors (164057).

6398023 is an equidigital number, since it uses as much as digits as its factorization.

6398023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097.

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

The square root of 6398023 is about 2529.4313590212. The cubic root of 6398023 is about 185.6444338317.

The spelling of 6398023 in words is "six million, three hundred ninety-eight thousand, twenty-three".