6155939 has 2 divisors, whose sum is σ = 6155940. Its totient is φ = 6155938.

The previous prime is 6155899. The next prime is 6155957. The reversal of 6155939 is 9395516.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6155939 - 2¹² = 6151843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6155969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3077969 + 3077970.

It is an arithmetic number, because the mean of its divisors is an integer number (3077970).

Almost surely, 2^6155939 is an apocalyptic number.

6155939 is a deficient number, since it is larger than the sum of its proper divisors (1).

6155939 is an equidigital number, since it uses as much as digits as its factorization.

6155939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36450, while the sum is 38.

The square root of 6155939 is about 2481.1164825538. The cubic root of 6155939 is about 183.2728369726.

The spelling of 6155939 in words is "six million, one hundred fifty-five thousand, nine hundred thirty-nine".