3677681 has 8 divisors (see below), whose sum is σ = 4218240. Its totient is φ = 3140928.

The previous prime is 3677671. The next prime is 3677683. The reversal of 3677681 is 1867763.

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

It is a de Polignac number, because none of the positive numbers 2^k-3677681 is a prime.

It is a super-2 number, since 2×3677681² = 27050675075522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3677683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1580 + ... + 3138.

It is an arithmetic number, because the mean of its divisors is an integer number (527280).

Almost surely, 2^3677681 is an apocalyptic number.

It is an amenable number.

3677681 is a deficient number, since it is larger than the sum of its proper divisors (540559).

3677681 is a wasteful number, since it uses less digits than its factorization.

3677681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903.

The product of its digits is 42336, while the sum is 38.

The square root of 3677681 is about 1917.7280829148. The cubic root of 3677681 is about 154.3564157230.

The spelling of 3677681 in words is "three million, six hundred seventy-seven thousand, six hundred eighty-one".