3987208 has 8 divisors (see below), whose sum is σ = 7476030. Its totient is φ = 1993600.

The previous prime is 3987199. The next prime is 3987227. The reversal of 3987208 is 8027893.

3987208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2683044 + 1304164 = 1638^2 + 1142^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249193 + ... + 249208.

Almost surely, 2^3987208 is an apocalyptic number.

It is an amenable number.

3987208 is a deficient number, since it is larger than the sum of its proper divisors (3488822).

3987208 is a wasteful number, since it uses less digits than its factorization.

3987208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498407 (or 498403 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 3987208 is about 1996.7994391025. The cubic root of 3987208 is about 158.5707075382.

The spelling of 3987208 in words is "three million, nine hundred eighty-seven thousand, two hundred eight".