6499654 has 24 divisors (see below), whose sum is σ = 11737440. Its totient is φ = 2688336.

The previous prime is 6499651. The next prime is 6499663. The reversal of 6499654 is 4569946.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6499654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6499651) 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 11 ways as a sum of consecutive naturals, for example, 1699 + ... + 3985.

It is an arithmetic number, because the mean of its divisors is an integer number (489060).

Almost surely, 2^6499654 is an apocalyptic number.

6499654 is a deficient number, since it is larger than the sum of its proper divisors (5237786).

6499654 is a wasteful number, since it uses less digits than its factorization.

6499654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332 (or 2325 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 6499654 is about 2549.4418997106. The cubic root of 6499654 is about 186.6222463748.

The spelling of 6499654 in words is "six million, four hundred ninety-nine thousand, six hundred fifty-four".