6364441 has 2 divisors, whose sum is σ = 6364442. Its totient is φ = 6364440.

The previous prime is 6364433. The next prime is 6364447. The reversal of 6364441 is 1444636.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5779216 + 585225 = 2404^2 + 765^2 .

It is a cyclic number.

It is not a de Polignac number, because 6364441 - 2³ = 6364433 is a prime.

It is a super-2 number, since 2×6364441² = 81012218484962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6364447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3182220 + 3182221.

It is an arithmetic number, because the mean of its divisors is an integer number (3182221).

Almost surely, 2^6364441 is an apocalyptic number.

It is an amenable number.

6364441 is a deficient number, since it is larger than the sum of its proper divisors (1).

6364441 is an equidigital number, since it uses as much as digits as its factorization.

6364441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 28.

The square root of 6364441 is about 2522.7843744561. The cubic root of 6364441 is about 185.3190598391.

The spelling of 6364441 in words is "six million, three hundred sixty-four thousand, four hundred forty-one".