3671081 has 8 divisors (see below), whose sum is σ = 3819720. Its totient is φ = 3523968.

The previous prime is 3671077. The next prime is 3671089. The reversal of 3671081 is 1801763.

It can be written as a sum of positive squares in 4 ways, for example, as 640000 + 3031081 = 800^2 + 1741^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3671081 - 2² = 3671077 is a prime.

It is a super-2 number, since 2×3671081² = 26953671417122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3671081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3671089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7805 + ... + 8261.

It is an arithmetic number, because the mean of its divisors is an integer number (477465).

Almost surely, 2^3671081 is an apocalyptic number.

It is an amenable number.

3671081 is a deficient number, since it is larger than the sum of its proper divisors (148639).

3671081 is a wasteful number, since it uses less digits than its factorization.

3671081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 3671081 is about 1916.0065239972. The cubic root of 3671081 is about 154.2640239529.

It can be divided in two parts, 36 and 71081, that added together give a palindrome (71117).

The spelling of 3671081 in words is "three million, six hundred seventy-one thousand, eighty-one".