3775681 has 8 divisors (see below), whose sum is σ = 4647104. Its totient is φ = 2987280.

The previous prime is 3775679. The next prime is 3775697. The reversal of 3775681 is 1865773.

3775681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3775681 - 2¹ = 3775679 is a prime.

It is a super-2 number, since 2×3775681² = 28511534027522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3775681.

It is not an unprimeable number, because it can be changed into a prime (3775601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20655 + ... + 20836.

It is an arithmetic number, because the mean of its divisors is an integer number (580888).

Almost surely, 2^3775681 is an apocalyptic number.

It is an amenable number.

3775681 is a deficient number, since it is larger than the sum of its proper divisors (871423).

3775681 is a wasteful number, since it uses less digits than its factorization.

3775681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41511.

The product of its digits is 35280, while the sum is 37.

The square root of 3775681 is about 1943.1111651164. Note that the first 4 decimals coincide. The cubic root of 3775681 is about 155.7154713919.

The spelling of 3775681 in words is "three million, seven hundred seventy-five thousand, six hundred eighty-one".