3881693 has 4 divisors (see below), whose sum is σ = 3902208. Its totient is φ = 3861180.

The previous prime is 3881671. The next prime is 3881699. The reversal of 3881693 is 3961883.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3881693 - 2¹² = 3877597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3881699) 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, 9971 + ... + 10352.

It is an arithmetic number, because the mean of its divisors is an integer number (975552).

Almost surely, 2^3881693 is an apocalyptic number.

It is an amenable number.

3881693 is a deficient number, since it is larger than the sum of its proper divisors (20515).

3881693 is a wasteful number, since it uses less digits than its factorization.

3881693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20514.

The product of its digits is 31104, while the sum is 38.

The square root of 3881693 is about 1970.2012587551. The cubic root of 3881693 is about 157.1594118333.

The spelling of 3881693 in words is "three million, eight hundred eighty-one thousand, six hundred ninety-three".