6199949 has 16 divisors (see below), whose sum is σ = 7488768. Its totient is φ = 5018112.

The previous prime is 6199927. The next prime is 6199957. The reversal of 6199949 is 9499916.

It is a cyclic number.

It is not a de Polignac number, because 6199949 - 2⁸ = 6199693 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6199549) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15419 + ... + 15815.

It is an arithmetic number, because the mean of its divisors is an integer number (468048).

Almost surely, 2^6199949 is an apocalyptic number.

It is an amenable number.

6199949 is a deficient number, since it is larger than the sum of its proper divisors (1288819).

6199949 is a wasteful number, since it uses less digits than its factorization.

6199949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524.

The product of its digits is 157464, while the sum is 47.

The square root of 6199949 is about 2489.9696785302. The cubic root of 6199949 is about 183.7085512817.

The spelling of 6199949 in words is "six million, one hundred ninety-nine thousand, nine hundred forty-nine".