34121691 has 12 divisors (see below), whose sum is σ = 49468432. Its totient is φ = 22664016.

The previous prime is 34121657. The next prime is 34121713. The reversal of 34121691 is 19612143.

34121691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 34121691 - 2⁹ = 34121179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34121641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4351 + ... + 9336.

Almost surely, 2^34121691 is an apocalyptic number.

34121691 is a deficient number, since it is larger than the sum of its proper divisors (15346741).

34121691 is a wasteful number, since it uses less digits than its factorization.

34121691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13970 (or 13967 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 34121691 is about 5841.3774916538. The cubic root of 34121691 is about 324.3472214955.

The spelling of 34121691 in words is "thirty-four million, one hundred twenty-one thousand, six hundred ninety-one".