3881788 has 6 divisors (see below), whose sum is σ = 6793136. Its totient is φ = 1940892.

The previous prime is 3881743. The next prime is 3881803. The reversal of 3881788 is 8871883.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485220 + ... + 485227.

Almost surely, 2^3881788 is an apocalyptic number.

It is an amenable number.

3881788 is a deficient number, since it is larger than the sum of its proper divisors (2911348).

3881788 is a wasteful number, since it uses less digits than its factorization.

3881788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970451 (or 970449 counting only the distinct ones).

The product of its digits is 86016, while the sum is 43.

The square root of 3881788 is about 1970.2253678196. The cubic root of 3881788 is about 157.1606939218.

The spelling of 3881788 in words is "three million, eight hundred eighty-one thousand, seven hundred eighty-eight".