34011905 has 8 divisors (see below), whose sum is σ = 40939584. Its totient is φ = 27126000.

The previous prime is 34011877. The next prime is 34011931. The reversal of 34011905 is 50911043.

It is a happy number.

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

It is not a de Polignac number, because 34011905 - 2⁶ = 34011841 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 7 ways as a sum of consecutive naturals, for example, 8621 + ... + 11930.

It is an arithmetic number, because the mean of its divisors is an integer number (5117448).

Almost surely, 2^34011905 is an apocalyptic number.

It is an amenable number.

34011905 is a deficient number, since it is larger than the sum of its proper divisors (6927679).

34011905 is a wasteful number, since it uses less digits than its factorization.

34011905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20887.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 34011905 is about 5831.9726508275. The cubic root of 34011905 is about 323.9989870669.

Adding to 34011905 its reverse (50911043), we get a palindrome (84922948).

The spelling of 34011905 in words is "thirty-four million, eleven thousand, nine hundred five".