34985917 has 2 divisors, whose sum is σ = 34985918. Its totient is φ = 34985916.

The previous prime is 34985893. The next prime is 34985927. The reversal of 34985917 is 71958943.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31069476 + 3916441 = 5574^2 + 1979^2 .

It is a cyclic number.

It is not a de Polignac number, because 34985917 - 2¹⁹ = 34461629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34985927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17492958 + 17492959.

It is an arithmetic number, because the mean of its divisors is an integer number (17492959).

Almost surely, 2^34985917 is an apocalyptic number.

It is an amenable number.

34985917 is a deficient number, since it is larger than the sum of its proper divisors (1).

34985917 is an equidigital number, since it uses as much as digits as its factorization.

34985917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 46.

The square root of 34985917 is about 5914.8894326099. The cubic root of 34985917 is about 327.0627523457.

The spelling of 34985917 in words is "thirty-four million, nine hundred eighty-five thousand, nine hundred seventeen".