34999985 has 4 divisors (see below), whose sum is σ = 41999988. Its totient is φ = 27999984.

The previous prime is 34999969. The next prime is 35000011. The reversal of 34999985 is 58999943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58999943 = 41 ⋅1439023.

It can be written as a sum of positive squares in 2 ways, for example, as 9909904 + 25090081 = 3148^2 + 5009^2 .

It is a cyclic number.

It is not a de Polignac number, because 34999985 - 2⁴ = 34999969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34999985.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3499994 + ... + 3500003.

It is an arithmetic number, because the mean of its divisors is an integer number (10499997).

Almost surely, 2^34999985 is an apocalyptic number.

It is an amenable number.

34999985 is a deficient number, since it is larger than the sum of its proper divisors (7000003).

34999985 is an equidigital number, since it uses as much as digits as its factorization.

34999985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000002.

The product of its digits is 3149280, while the sum is 56.

The square root of 34999985 is about 5916.0785153681. The cubic root of 34999985 is about 327.1065842893.

The spelling of 34999985 in words is "thirty-four million, nine hundred ninety-nine thousand, nine hundred eighty-five".