3676581 has 12 divisors (see below), whose sum is σ = 5378880. Its totient is φ = 2419560.

The previous prime is 3676577. The next prime is 3676583. The reversal of 3676581 is 1856763.

3676581 is a `hidden beast` number, since 3 + 6 + 76 + 581 = 666.

It is not a de Polignac number, because 3676581 - 2² = 3676577 is a prime.

It is a super-2 number, since 2×3676581² = 27034495699122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3676583) 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, 1875 + ... + 3296.

It is an arithmetic number, because the mean of its divisors is an integer number (448240).

Almost surely, 2^3676581 is an apocalyptic number.

It is an amenable number.

3676581 is a deficient number, since it is larger than the sum of its proper divisors (1702299).

3676581 is a wasteful number, since it uses less digits than its factorization.

3676581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5256 (or 5253 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 3676581 is about 1917.4412637679. The cubic root of 3676581 is about 154.3410247753.

The spelling of 3676581 in words is "three million, six hundred seventy-six thousand, five hundred eighty-one".