6199491 has 16 divisors (see below), whose sum is σ = 8848640. Its totient is φ = 3849120.

The previous prime is 6199483. The next prime is 6199499. The reversal of 6199491 is 1949916.

6199491 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6199483) and next prime (6199499).

It is not a de Polignac number, because 6199491 - 2³ = 6199483 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6199499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2586 + ... + 4368.

It is an arithmetic number, because the mean of its divisors is an integer number (553040).

Almost surely, 2^6199491 is an apocalyptic number.

6199491 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

6199491 is a deficient number, since it is larger than the sum of its proper divisors (2649149).

6199491 is a wasteful number, since it uses less digits than its factorization.

6199491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866.

The product of its digits is 17496, while the sum is 39.

The square root of 6199491 is about 2489.8777078403. The cubic root of 6199491 is about 183.7040275569.

The spelling of 6199491 in words is "six million, one hundred ninety-nine thousand, four hundred ninety-one".