6334021 has 4 divisors (see below), whose sum is σ = 6356844. Its totient is φ = 6311200.

The previous prime is 6334019. The next prime is 6334033. The reversal of 6334021 is 1204336.

6334021 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

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 4669921 + 1664100 = 2161^2 + 1290^2 .

It is a cyclic number.

It is not a de Polignac number, because 6334021 - 2¹ = 6334019 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 6334021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6334051) 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, 10990 + ... + 11551.

It is an arithmetic number, because the mean of its divisors is an integer number (1589211).

Almost surely, 2^6334021 is an apocalyptic number.

It is an amenable number.

6334021 is a deficient number, since it is larger than the sum of its proper divisors (22823).

6334021 is a wasteful number, since it uses less digits than its factorization.

6334021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22822.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 6334021 is about 2516.7481002278. The cubic root of 6334021 is about 185.0233328253.

Adding to 6334021 its reverse (1204336), we get a palindrome (7538357).

The spelling of 6334021 in words is "six million, three hundred thirty-four thousand, twenty-one".