34081661 has 4 divisors (see below), whose sum is σ = 34110972. Its totient is φ = 34052352.

The previous prime is 34081657. The next prime is 34081667. The reversal of 34081661 is 16618043.

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 511225 + 33570436 = 715^2 + 5794^2 .

It is a cyclic number.

It is not a de Polignac number, because 34081661 - 2² = 34081657 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 (34081667) by changing a digit.

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, 12836 + ... + 15261.

It is an arithmetic number, because the mean of its divisors is an integer number (8527743).

Almost surely, 2^34081661 is an apocalyptic number.

It is an amenable number.

34081661 is a deficient number, since it is larger than the sum of its proper divisors (29311).

34081661 is a wasteful number, since it uses less digits than its factorization.

34081661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29310.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 34081661 is about 5837.9500683031. The cubic root of 34081661 is about 324.2203354447.

The spelling of 34081661 in words is "thirty-four million, eighty-one thousand, six hundred sixty-one".