3609081 has 12 divisors (see below), whose sum is σ = 5957952. Its totient is φ = 2062296.

The previous prime is 3609071. The next prime is 3609097. The reversal of 3609081 is 1809063.

It is not a de Polignac number, because 3609081 - 2⁹ = 3608569 is a prime.

It is a super-2 number, since 2×3609081² = 26050931329122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3609041) 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, 28581 + ... + 28706.

It is an arithmetic number, because the mean of its divisors is an integer number (496496).

Almost surely, 2^3609081 is an apocalyptic number.

It is an amenable number.

3609081 is a deficient number, since it is larger than the sum of its proper divisors (2348871).

3609081 is a wasteful number, since it uses less digits than its factorization.

3609081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57300 (or 57297 counting only the distinct ones).

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

The square root of 3609081 is about 1899.7581425013. The cubic root of 3609081 is about 153.3906459769.

The spelling of 3609081 in words is "three million, six hundred nine thousand, eighty-one".