6497776 has 20 divisors (see below), whose sum is σ = 13137552. Its totient is φ = 3107456.

The previous prime is 6497761. The next prime is 6497779. The reversal of 6497776 is 6777946.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6497779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8461 + ... + 9196.

Almost surely, 2^6497776 is an apocalyptic number.

It is an amenable number.

6497776 is an abundant number, since it is smaller than the sum of its proper divisors (6639776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6497776 is a wasteful number, since it uses less digits than its factorization.

6497776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17688 (or 17682 counting only the distinct ones).

The product of its digits is 444528, while the sum is 46.

The square root of 6497776 is about 2549.0735571968. The cubic root of 6497776 is about 186.6042705287.

The spelling of 6497776 in words is "six million, four hundred ninety-seven thousand, seven hundred seventy-six".