3987368 has 32 divisors (see below), whose sum is σ = 9322560. Its totient is φ = 1553280.

The previous prime is 3987353. The next prime is 3987407. The reversal of 3987368 is 8637893.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2621 + ... + 3852.

It is an arithmetic number, because the mean of its divisors is an integer number (291330).

Almost surely, 2^3987368 is an apocalyptic number.

It is an amenable number.

3987368 is an abundant number, since it is smaller than the sum of its proper divisors (5335192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3987368 is a wasteful number, since it uses less digits than its factorization.

3987368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6497 (or 6493 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 3987368 is about 1996.8395028144. The cubic root of 3987368 is about 158.5728285691.

The spelling of 3987368 in words is "three million, nine hundred eighty-seven thousand, three hundred sixty-eight".