6390833 has 4 divisors (see below), whose sum is σ = 6403188. Its totient is φ = 6378480.

The previous prime is 6390829. The next prime is 6390847. The reversal of 6390833 is 3380936.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2521744 + 3869089 = 1588^2 + 1967^2 .

It is a cyclic number.

It is not a de Polignac number, because 6390833 - 2² = 6390829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6390833.

It is not an unprimeable number, because it can be changed into a prime (6390883) 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, 5366 + ... + 6447.

It is an arithmetic number, because the mean of its divisors is an integer number (1600797).

Almost surely, 2^6390833 is an apocalyptic number.

It is an amenable number.

6390833 is a deficient number, since it is larger than the sum of its proper divisors (12355).

6390833 is a wasteful number, since it uses less digits than its factorization.

6390833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12354.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 6390833 is about 2528.0096914371. The cubic root of 6390833 is about 185.5748663108.

The spelling of 6390833 in words is "six million, three hundred ninety thousand, eight hundred thirty-three".