6199839 has 6 divisors (see below), whose sum is σ = 8955336. Its totient is φ = 4133220.

The previous prime is 6199819. The next prime is 6199847. The reversal of 6199839 is 9389916.

It is not a de Polignac number, because 6199839 - 2⁵ = 6199807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6199794 and 6199803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6199819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 344427 + ... + 344444.

It is an arithmetic number, because the mean of its divisors is an integer number (1492556).

Almost surely, 2^6199839 is an apocalyptic number.

6199839 is a deficient number, since it is larger than the sum of its proper divisors (2755497).

6199839 is a wasteful number, since it uses less digits than its factorization.

6199839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688877 (or 688874 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 6199839 is about 2489.9475898099. The cubic root of 6199839 is about 183.7074648179.

The spelling of 6199839 in words is "six million, one hundred ninety-nine thousand, eight hundred thirty-nine".