6499950 has 48 divisors (see below), whose sum is σ = 17074800. Its totient is φ = 1630720.

The previous prime is 6499949. The next prime is 6499991. The reversal of 6499950 is 599946.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1276 + ... + 3824.

It is an arithmetic number, because the mean of its divisors is an integer number (355725).

Almost surely, 2^6499950 is an apocalyptic number.

It is a pronic number, being equal to 2549×2550.

It is a practical number, because each smaller number is the sum of distinct divisors of 6499950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8537400).

6499950 is an abundant number, since it is smaller than the sum of its proper divisors (10574850).

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

6499950 is a wasteful number, since it uses less digits than its factorization.

6499950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581 (or 2576 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 6499950 is about 2549.4999509708. The cubic root of 6499950 is about 186.6250793126.

The spelling of 6499950 in words is "six million, four hundred ninety-nine thousand, nine hundred fifty".