6499630 has 16 divisors (see below), whose sum is σ = 11949120. Its totient is φ = 2544352.

The previous prime is 6499601. The next prime is 6499631. The reversal of 6499630 is 369946.

It is a self number, because there is not a number n which added to its sum of digits gives 6499630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6499631) 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, 6445 + ... + 7384.

It is an arithmetic number, because the mean of its divisors is an integer number (746820).

Almost surely, 2^6499630 is an apocalyptic number.

6499630 is a deficient number, since it is larger than the sum of its proper divisors (5449490).

6499630 is a wasteful number, since it uses less digits than its factorization.

6499630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13883.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 6499630 is about 2549.4371927937. The cubic root of 6499630 is about 186.6220166733.

The spelling of 6499630 in words is "six million, four hundred ninety-nine thousand, six hundred thirty".