34393985 has 4 divisors (see below), whose sum is σ = 41272788. Its totient is φ = 27515184.

The previous prime is 34393967. The next prime is 34394027. The reversal of 34393985 is 58939343.

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 10029889 + 24364096 = 3167^2 + 4936^2 .

It is a cyclic number.

It is not a de Polignac number, because 34393985 - 2⁶ = 34393921 is a prime.

It is a Duffinian number.

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, 3439394 + ... + 3439403.

It is an arithmetic number, because the mean of its divisors is an integer number (10318197).

Almost surely, 2^34393985 is an apocalyptic number.

It is an amenable number.

34393985 is a deficient number, since it is larger than the sum of its proper divisors (6878803).

34393985 is an equidigital number, since it uses as much as digits as its factorization.

34393985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6878802.

The product of its digits is 349920, while the sum is 44.

The square root of 34393985 is about 5864.6385225349. The cubic root of 34393985 is about 325.2077094325.

The spelling of 34393985 in words is "thirty-four million, three hundred ninety-three thousand, nine hundred eighty-five".