3888916 has 6 divisors (see below), whose sum is σ = 6805610. Its totient is φ = 1944456.

The previous prime is 3888893. The next prime is 3888917. The reversal of 3888916 is 6198883.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3763600 + 125316 = 1940^2 + 354^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3888917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486111 + ... + 486118.

Almost surely, 2^3888916 is an apocalyptic number.

It is an amenable number.

3888916 is a deficient number, since it is larger than the sum of its proper divisors (2916694).

3888916 is a wasteful number, since it uses less digits than its factorization.

3888916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972233 (or 972231 counting only the distinct ones).

The product of its digits is 82944, while the sum is 43.

The square root of 3888916 is about 1972.0334682758. The cubic root of 3888916 is about 157.2568314438.

The spelling of 3888916 in words is "three million, eight hundred eighty-eight thousand, nine hundred sixteen".