6399233 has 4 divisors (see below), whose sum is σ = 6405120. Its totient is φ = 6393348.

The previous prime is 6399209. The next prime is 6399251. The reversal of 6399233 is 3329936.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6399233 - 2²² = 2204929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6399193 and 6399202.

It is not an unprimeable number, because it can be changed into a prime (6399433) 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, 785 + ... + 3662.

It is an arithmetic number, because the mean of its divisors is an integer number (1601280).

Almost surely, 2^6399233 is an apocalyptic number.

It is an amenable number.

6399233 is a deficient number, since it is larger than the sum of its proper divisors (5887).

6399233 is a wasteful number, since it uses less digits than its factorization.

6399233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5886.

The product of its digits is 26244, while the sum is 35.

The square root of 6399233 is about 2529.6705319073. The cubic root of 6399233 is about 185.6561361760.

The spelling of 6399233 in words is "six million, three hundred ninety-nine thousand, two hundred thirty-three".