34456991 has 2 divisors, whose sum is σ = 34456992. Its totient is φ = 34456990.

The previous prime is 34456987. The next prime is 34456993. The reversal of 34456991 is 19965443.

It is a strong prime.

It is an emirp because it is prime and its reverse (19965443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34456991 - 2² = 34456987 is a prime.

Together with 34456993, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34456993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17228495 + 17228496.

It is an arithmetic number, because the mean of its divisors is an integer number (17228496).

Almost surely, 2^34456991 is an apocalyptic number.

34456991 is a deficient number, since it is larger than the sum of its proper divisors (1).

34456991 is an equidigital number, since it uses as much as digits as its factorization.

34456991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 41.

The square root of 34456991 is about 5870.0077512726. The cubic root of 34456991 is about 325.4061698883.

The spelling of 34456991 in words is "thirty-four million, four hundred fifty-six thousand, nine hundred ninety-one".