34168991 has 2 divisors, whose sum is σ = 34168992. Its totient is φ = 34168990.

The previous prime is 34168987. The next prime is 34169017. The reversal of 34168991 is 19986143.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34168991 - 2² = 34168987 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34168951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17084495 + 17084496.

It is an arithmetic number, because the mean of its divisors is an integer number (17084496).

Almost surely, 2^34168991 is an apocalyptic number.

34168991 is a deficient number, since it is larger than the sum of its proper divisors (1).

34168991 is an equidigital number, since it uses as much as digits as its factorization.

34168991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 34168991 is about 5845.4247920917. The cubic root of 34168991 is about 324.4970239589.

The spelling of 34168991 in words is "thirty-four million, one hundred sixty-eight thousand, nine hundred ninety-one".