34004405 has 8 divisors (see below), whose sum is σ = 40851384. Its totient is φ = 27172800.

The previous prime is 34004401. The next prime is 34004407. The reversal of 34004405 is 50440043.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11895601 + 22108804 = 3449^2 + 4702^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34004405 - 2² = 34004401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34004401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1775 + ... + 8435.

It is an arithmetic number, because the mean of its divisors is an integer number (5106423).

Almost surely, 2^34004405 is an apocalyptic number.

It is an amenable number.

34004405 is a deficient number, since it is larger than the sum of its proper divisors (6846979).

34004405 is a wasteful number, since it uses less digits than its factorization.

34004405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7687.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 34004405 is about 5831.3296082454. The cubic root of 34004405 is about 323.9751702000.

Adding to 34004405 its reverse (50440043), we get a palindrome (84444448).

The spelling of 34004405 in words is "thirty-four million, four thousand, four hundred five".