34985 has 4 divisors (see below), whose sum is σ = 41988. Its totient is φ = 27984.

The previous prime is 34981. The next prime is 35023. The reversal of 34985 is 58943.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11881 + 23104 = 109^2 + 152^2 .

It is a cyclic number.

It is not a de Polignac number, because 34985 - 2² = 34981 is a prime.

It is a d-powerful number, because it can be written as 3⁷ + 4² + 9 + 8⁵ + 5 .

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 34985.

It is not an unprimeable number, because it can be changed into a prime (34981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3494 + ... + 3503.

It is an arithmetic number, because the mean of its divisors is an integer number (10497).

2³⁴⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

34985 is a deficient number, since it is larger than the sum of its proper divisors (7003).

34985 is an equidigital number, since it uses as much as digits as its factorization.

34985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7002.

The product of its digits is 4320, while the sum is 29.

The square root of 34985 is about 187.0427758562. The cubic root of 34985 is about 32.7059894823.

It can be divided in two parts, 349 and 85, that added together give a palindrome (434).

The spelling of 34985 in words is "thirty-four thousand, nine hundred eighty-five".