6489797 has 4 divisors (see below), whose sum is σ = 6612300. Its totient is φ = 6367296.

The previous prime is 6489793. The next prime is 6489803. The reversal of 6489797 is 7979846.

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 2033476 + 4456321 = 1426^2 + 2111^2 .

It is a cyclic number.

It is not a de Polignac number, because 6489797 - 2² = 6489793 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 (6489793) 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, 61172 + ... + 61277.

It is an arithmetic number, because the mean of its divisors is an integer number (1653075).

Almost surely, 2^6489797 is an apocalyptic number.

It is an amenable number.

6489797 is a deficient number, since it is larger than the sum of its proper divisors (122503).

6489797 is a wasteful number, since it uses less digits than its factorization.

6489797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122502.

The product of its digits is 762048, while the sum is 50.

The square root of 6489797 is about 2547.5079980247. The cubic root of 6489797 is about 186.5278584695.

The spelling of 6489797 in words is "six million, four hundred eighty-nine thousand, seven hundred ninety-seven".