3595581 has 12 divisors (see below), whose sum is σ = 5665920. Its totient is φ = 2179080.

The previous prime is 3595489. The next prime is 3595589. The reversal of 3595581 is 1855953.

It is a happy number.

It is not a de Polignac number, because 3595581 - 2⁹ = 3595069 is a prime.

It is a super-2 number, since 2×3595581² = 25856405455122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3595589) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18061 + ... + 18258.

It is an arithmetic number, because the mean of its divisors is an integer number (472160).

Almost surely, 2^3595581 is an apocalyptic number.

It is an amenable number.

3595581 is a deficient number, since it is larger than the sum of its proper divisors (2070339).

3595581 is a wasteful number, since it uses less digits than its factorization.

3595581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36336 (or 36333 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The square root of 3595581 is about 1896.2017297746. The cubic root of 3595581 is about 153.1991511473.

The spelling of 3595581 in words is "three million, five hundred ninety-five thousand, five hundred eighty-one".