6099391 has 2 divisors, whose sum is σ = 6099392. Its totient is φ = 6099390.

The previous prime is 6099389. The next prime is 6099407. The reversal of 6099391 is 1939906.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6099391 - 2¹ = 6099389 is a prime.

Together with 6099389, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6099391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6099371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3049695 + 3049696.

It is an arithmetic number, because the mean of its divisors is an integer number (3049696).

Almost surely, 2^6099391 is an apocalyptic number.

6099391 is a deficient number, since it is larger than the sum of its proper divisors (1).

6099391 is an equidigital number, since it uses as much as digits as its factorization.

6099391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 6099391 is about 2469.6945155221. The cubic root of 6099391 is about 182.7099329347.

It can be divided in two parts, 609 and 9391, that added together give a 4-th power (10000 = 10⁴).

The spelling of 6099391 in words is "six million, ninety-nine thousand, three hundred ninety-one".