6444493 has 4 divisors (see below), whose sum is σ = 7030368. Its totient is φ = 5858620.

The previous prime is 6444491. The next prime is 6444517. The reversal of 6444493 is 3944446.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 6444493 - 2¹ = 6444491 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 (6444491) 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, 292921 + ... + 292942.

It is an arithmetic number, because the mean of its divisors is an integer number (1757592).

Almost surely, 2^6444493 is an apocalyptic number.

It is an amenable number.

6444493 is a deficient number, since it is larger than the sum of its proper divisors (585875).

6444493 is a wasteful number, since it uses less digits than its factorization.

6444493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585874.

The product of its digits is 41472, while the sum is 34.

The square root of 6444493 is about 2538.6005987551. The cubic root of 6444493 is about 186.0928064239.

The spelling of 6444493 in words is "six million, four hundred forty-four thousand, four hundred ninety-three".