3987118 has 8 divisors (see below), whose sum is σ = 6003720. Its totient is φ = 1985880.

The previous prime is 3987107. The next prime is 3987121. The reversal of 3987118 is 8117893.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 3168 + ... + 4243.

It is an arithmetic number, because the mean of its divisors is an integer number (750465).

Almost surely, 2^3987118 is an apocalyptic number.

3987118 is a deficient number, since it is larger than the sum of its proper divisors (2016602).

3987118 is a wasteful number, since it uses less digits than its factorization.

3987118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7682.

The product of its digits is 12096, while the sum is 37.

The square root of 3987118 is about 1996.7769029113. The cubic root of 3987118 is about 158.5695144334.

The spelling of 3987118 in words is "three million, nine hundred eighty-seven thousand, one hundred eighteen".