3883681 has 4 divisors (see below), whose sum is σ = 3957012. Its totient is φ = 3810352.

The previous prime is 3883679. The next prime is 3883699. The reversal of 3883681 is 1863883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1863883 = 7 ⋅266269.

It can be written as a sum of positive squares in 2 ways, for example, as 1648656 + 2235025 = 1284^2 + 1495^2 .

It is a cyclic number.

It is not a de Polignac number, because 3883681 - 2¹ = 3883679 is a prime.

It is a super-2 number, since 2×3883681² = 30165956219522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3883681.

It is not an unprimeable number, because it can be changed into a prime (3883601) 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, 36586 + ... + 36691.

It is an arithmetic number, because the mean of its divisors is an integer number (989253).

Almost surely, 2^3883681 is an apocalyptic number.

It is an amenable number.

3883681 is a deficient number, since it is larger than the sum of its proper divisors (73331).

3883681 is an equidigital number, since it uses as much as digits as its factorization.

3883681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73330.

The product of its digits is 27648, while the sum is 37.

The square root of 3883681 is about 1970.7057111603. The cubic root of 3883681 is about 157.1862368628.

The spelling of 3883681 in words is "three million, eight hundred eighty-three thousand, six hundred eighty-one".