34185449 has 4 divisors (see below), whose sum is σ = 34202436. Its totient is φ = 34168464.

The previous prime is 34185439. The next prime is 34185451. The reversal of 34185449 is 94458143.

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 20070400 + 14115049 = 4480^2 + 3757^2 .

It is a cyclic number.

It is not a de Polignac number, because 34185449 - 2¹² = 34181353 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34185409) 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, 4994 + ... + 9659.

It is an arithmetic number, because the mean of its divisors is an integer number (8550609).

Almost surely, 2^34185449 is an apocalyptic number.

It is an amenable number.

34185449 is a deficient number, since it is larger than the sum of its proper divisors (16987).

34185449 is a wasteful number, since it uses less digits than its factorization.

34185449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16986.

The product of its digits is 69120, while the sum is 38.

The square root of 34185449 is about 5846.8323902777. The cubic root of 34185449 is about 324.5491151936.

The spelling of 34185449 in words is "thirty-four million, one hundred eighty-five thousand, four hundred forty-nine".