3987504 has 30 divisors (see below), whose sum is σ = 11159876. Its totient is φ = 1329120.

The previous prime is 3987481. The next prime is 3987517. The reversal of 3987504 is 4057893.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13702 + ... + 13989.

Almost surely, 2^3987504 is an apocalyptic number.

It is an amenable number.

3987504 is an abundant number, since it is smaller than the sum of its proper divisors (7172372).

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

3987504 is a wasteful number, since it uses less digits than its factorization.

3987504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27705 (or 27696 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 3987504 is about 1996.8735563375. The cubic root of 3987504 is about 158.5746314008.

The spelling of 3987504 in words is "three million, nine hundred eighty-seven thousand, five hundred four".