34606991 has 2 divisors, whose sum is σ = 34606992. Its totient is φ = 34606990.

The previous prime is 34606987. The next prime is 34606997. The reversal of 34606991 is 19960643.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34606991 - 2² = 34606987 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34606997) 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, 17303495 + 17303496.

It is an arithmetic number, because the mean of its divisors is an integer number (17303496).

Almost surely, 2^34606991 is an apocalyptic number.

34606991 is a deficient number, since it is larger than the sum of its proper divisors (1).

34606991 is an equidigital number, since it uses as much as digits as its factorization.

34606991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 34606991 is about 5882.7706907545. The cubic root of 34606991 is about 325.8776781474.

The spelling of 34606991 in words is "thirty-four million, six hundred six thousand, nine hundred ninety-one".