3988568 has 32 divisors (see below), whose sum is σ = 7970400. Its totient is φ = 1867008.

The previous prime is 3988541. The next prime is 3988583. The reversal of 3988568 is 8658893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9548 + ... + 9956.

It is an arithmetic number, because the mean of its divisors is an integer number (249075).

Almost surely, 2^3988568 is an apocalyptic number.

It is an amenable number.

3988568 is a deficient number, since it is larger than the sum of its proper divisors (3981832).

3988568 is a wasteful number, since it uses less digits than its factorization.

3988568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 487 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The square root of 3988568 is about 1997.1399550357. The cubic root of 3988568 is about 158.5887344924.

The spelling of 3988568 in words is "three million, nine hundred eighty-eight thousand, five hundred sixty-eight".