34128797 has 2 divisors, whose sum is σ = 34128798. Its totient is φ = 34128796.

The previous prime is 34128791. The next prime is 34128811. The reversal of 34128797 is 79782143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24462916 + 9665881 = 4946^2 + 3109^2 .

It is a cyclic number.

It is not a de Polignac number, because 34128797 - 2⁴ = 34128781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34128791) 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, 17064398 + 17064399.

It is an arithmetic number, because the mean of its divisors is an integer number (17064399).

Almost surely, 2^34128797 is an apocalyptic number.

It is an amenable number.

34128797 is a deficient number, since it is larger than the sum of its proper divisors (1).

34128797 is an equidigital number, since it uses as much as digits as its factorization.

34128797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 41.

The square root of 34128797 is about 5841.9857069322. The cubic root of 34128797 is about 324.3697355358.

The spelling of 34128797 in words is "thirty-four million, one hundred twenty-eight thousand, seven hundred ninety-seven".