6444797 has 8 divisors (see below), whose sum is σ = 6696096. Its totient is φ = 6198192.

The previous prime is 6444791. The next prime is 6444799. The reversal of 6444797 is 7974446.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6444797 - 2⁶ = 6444733 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 (6444791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1763 + ... + 3999.

It is an arithmetic number, because the mean of its divisors is an integer number (837012).

Almost surely, 2^6444797 is an apocalyptic number.

6444797 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

It is an amenable number.

6444797 is a deficient number, since it is larger than the sum of its proper divisors (251299).

6444797 is a wasteful number, since it uses less digits than its factorization.

6444797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347.

The product of its digits is 169344, while the sum is 41.

The square root of 6444797 is about 2538.6604735569. The cubic root of 6444797 is about 186.0957325048.

The spelling of 6444797 in words is "six million, four hundred forty-four thousand, seven hundred ninety-seven".