3803881 has 4 divisors (see below), whose sum is σ = 3808000. Its totient is φ = 3799764.

The previous prime is 3803879. The next prime is 3803887. The reversal of 3803881 is 1883083.

3803881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1883083 = 929 ⋅2027.

It is a cyclic number.

It is not a de Polignac number, because 3803881 - 2¹ = 3803879 is a prime.

It is a super-2 number, since 2×3803881² = 28939021324322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3803887) 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 3 ways as a sum of consecutive naturals, for example, 40 + ... + 2758.

It is an arithmetic number, because the mean of its divisors is an integer number (952000).

Almost surely, 2^3803881 is an apocalyptic number.

It is an amenable number.

3803881 is a deficient number, since it is larger than the sum of its proper divisors (4119).

3803881 is a wasteful number, since it uses less digits than its factorization.

3803881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4118.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 3803881 is about 1950.3540704190. The cubic root of 3803881 is about 156.1021821233.

The spelling of 3803881 in words is "three million, eight hundred three thousand, eight hundred eighty-one".