34845217 has 6 divisors (see below), whose sum is σ = 38301074. Its totient is φ = 31677360.

The previous prime is 34845199. The next prime is 34845227. The reversal of 34845217 is 71254843.

It can be written as a sum of positive squares in only one way, i.e., 20939776 + 13905441 = 4576^2 + 3729^2 .

It is not a de Polignac number, because 34845217 - 2⁷ = 34845089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34845227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 143868 + ... + 144109.

Almost surely, 2^34845217 is an apocalyptic number.

It is an amenable number.

34845217 is a deficient number, since it is larger than the sum of its proper divisors (3455857).

34845217 is a wasteful number, since it uses less digits than its factorization.

34845217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287999 (or 287988 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 34845217 is about 5902.9837370604. The cubic root of 34845217 is about 326.6237227781.

The spelling of 34845217 in words is "thirty-four million, eight hundred forty-five thousand, two hundred seventeen".