39116291 has 2 divisors, whose sum is σ = 39116292. Its totient is φ = 39116290.

The previous prime is 39116257. The next prime is 39116293. The reversal of 39116291 is 19261193.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39116291 - 2¹⁰ = 39115267 is a prime.

Together with 39116293, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (39116293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19558145 + 19558146.

It is an arithmetic number, because the mean of its divisors is an integer number (19558146).

Almost surely, 2^39116291 is an apocalyptic number.

39116291 is a deficient number, since it is larger than the sum of its proper divisors (1).

39116291 is an equidigital number, since it uses as much as digits as its factorization.

39116291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 32.

The square root of 39116291 is about 6254.3017995616. The cubic root of 39116291 is about 339.4578759599.

The spelling of 39116291 in words is "thirty-nine million, one hundred sixteen thousand, two hundred ninety-one".