3607081 has 4 divisors (see below), whose sum is σ = 3647700. Its totient is φ = 3566464.

The previous prime is 3607069. The next prime is 3607091. The reversal of 3607081 is 1807063.

3607081 is nontrivially palindromic in base 12.

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 2205225 + 1401856 = 1485^2 + 1184^2 .

It is a cyclic number.

It is not a de Polignac number, because 3607081 - 2⁹ = 3606569 is a prime.

It is a super-2 number, since 2×3607081² = 26022066681122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3607001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20176 + ... + 20353.

It is an arithmetic number, because the mean of its divisors is an integer number (911925).

Almost surely, 2^3607081 is an apocalyptic number.

It is an amenable number.

3607081 is a deficient number, since it is larger than the sum of its proper divisors (40619).

3607081 is an equidigital number, since it uses as much as digits as its factorization.

3607081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40618.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 3607081 is about 1899.2316867618. The cubic root of 3607081 is about 153.3623065393.

The spelling of 3607081 in words is "three million, six hundred seven thousand, eighty-one".