3987056 has 20 divisors (see below), whose sum is σ = 7768104. Its totient is φ = 1982400.

The previous prime is 3987037. The next prime is 3987077. The reversal of 3987056 is 6507893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2786 + ... + 3966.

Almost surely, 2^3987056 is an apocalyptic number.

It is an amenable number.

3987056 is a deficient number, since it is larger than the sum of its proper divisors (3781048).

3987056 is a wasteful number, since it uses less digits than its factorization.

3987056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400 (or 1394 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 3987056 is about 1996.7613778316. The cubic root of 3987056 is about 158.5686925063.

The spelling of 3987056 in words is "three million, nine hundred eighty-seven thousand, fifty-six".