34285891 has 2 divisors, whose sum is σ = 34285892. Its totient is φ = 34285890.

The previous prime is 34285883. The next prime is 34285913. The reversal of 34285891 is 19858243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34285891 - 2³ = 34285883 is a prime.

It is not a weakly prime, because it can be changed into another prime (34285591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17142945 + 17142946.

It is an arithmetic number, because the mean of its divisors is an integer number (17142946).

Almost surely, 2^34285891 is an apocalyptic number.

34285891 is a deficient number, since it is larger than the sum of its proper divisors (1).

34285891 is an equidigital number, since it uses as much as digits as its factorization.

34285891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 40.

The square root of 34285891 is about 5855.4155275266. The cubic root of 34285891 is about 324.8666624629.

The spelling of 34285891 in words is "thirty-four million, two hundred eighty-five thousand, eight hundred ninety-one".