6497806 has 8 divisors (see below), whose sum is σ = 11139120. Its totient is φ = 2784768.

The previous prime is 6497779. The next prime is 6497807. The reversal of 6497806 is 6087946.

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

It is a d-powerful number, because it can be written as 6² + 4² + 9⁷ + 7⁴ + 8⁵ + 0 + 6⁸ .

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6497807) 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, 232051 + ... + 232078.

It is an arithmetic number, because the mean of its divisors is an integer number (1392390).

Almost surely, 2^6497806 is an apocalyptic number.

6497806 is a deficient number, since it is larger than the sum of its proper divisors (4641314).

6497806 is a wasteful number, since it uses less digits than its factorization.

6497806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464138.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 6497806 is about 2549.0794416809. The cubic root of 6497806 is about 186.6045577100.

The spelling of 6497806 in words is "six million, four hundred ninety-seven thousand, eight hundred six".