6199864 has 32 divisors (see below), whose sum is σ = 12960000. Its totient is φ = 2756320.

The previous prime is 6199859. The next prime is 6199873. The reversal of 6199864 is 4689916.

It is a self number, because there is not a number n which added to its sum of digits gives 6199864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3387 + ... + 4885.

It is an arithmetic number, because the mean of its divisors is an integer number (405000).

Almost surely, 2^6199864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6199864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6480000).

6199864 is an abundant number, since it is smaller than the sum of its proper divisors (6760136).

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

6199864 is a wasteful number, since it uses less digits than its factorization.

6199864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563 (or 1559 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 6199864 is about 2489.9526099908. The cubic root of 6199864 is about 183.7077117426.

The spelling of 6199864 in words is "six million, one hundred ninety-nine thousand, eight hundred sixty-four".