34885581 has 16 divisors (see below), whose sum is σ = 49402944. Its totient is φ = 21821184.

The previous prime is 34885553. The next prime is 34885583. The reversal of 34885581 is 18558843.

34885581 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 34885581 - 2⁶ = 34885517 is a prime.

It is a super-2 number, since 2×34885581² = 2434007523415122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34885583) 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 15 ways as a sum of consecutive naturals, for example, 19386 + ... + 21108.

It is an arithmetic number, because the mean of its divisors is an integer number (3087684).

Almost surely, 2^34885581 is an apocalyptic number.

It is an amenable number.

34885581 is a deficient number, since it is larger than the sum of its proper divisors (14517363).

34885581 is a wasteful number, since it uses less digits than its factorization.

34885581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140.

The product of its digits is 153600, while the sum is 42.

The square root of 34885581 is about 5906.4016964646. The cubic root of 34885581 is about 326.7497922335.

The spelling of 34885581 in words is "thirty-four million, eight hundred eighty-five thousand, five hundred eighty-one".