34355891 has 2 divisors, whose sum is σ = 34355892. Its totient is φ = 34355890.

The previous prime is 34355887. The next prime is 34355927. The reversal of 34355891 is 19855343.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34355891 - 2² = 34355887 is a prime.

It is not a weakly prime, because it can be changed into another prime (34355801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17177945 + 17177946.

It is an arithmetic number, because the mean of its divisors is an integer number (17177946).

Almost surely, 2^34355891 is an apocalyptic number.

34355891 is a deficient number, since it is larger than the sum of its proper divisors (1).

34355891 is an equidigital number, since it uses as much as digits as its factorization.

34355891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 38.

The square root of 34355891 is about 5861.3898522449. The cubic root of 34355891 is about 325.0876008434.

The spelling of 34355891 in words is "thirty-four million, three hundred fifty-five thousand, eight hundred ninety-one".