6447497 has 8 divisors (see below), whose sum is σ = 7383936. Its totient is φ = 5514912.

The previous prime is 6447457. The next prime is 6447533. The reversal of 6447497 is 7947446.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6447497 - 2¹⁶ = 6381961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6447407) 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, 6068 + ... + 7050.

It is an arithmetic number, because the mean of its divisors is an integer number (922992).

Almost surely, 2^6447497 is an apocalyptic number.

It is an amenable number.

6447497 is a deficient number, since it is larger than the sum of its proper divisors (936439).

6447497 is an equidigital number, since it uses as much as digits as its factorization.

6447497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927.

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

The square root of 6447497 is about 2539.1921943799. The cubic root of 6447497 is about 186.1217166865.

The spelling of 6447497 in words is "six million, four hundred forty-seven thousand, four hundred ninety-seven".