3987318 has 16 divisors (see below), whose sum is σ = 8046576. Its totient is φ = 1317120.

The previous prime is 3987317. The next prime is 3987323. The reversal of 3987318 is 8137893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3987311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2263 + ... + 3618.

It is an arithmetic number, because the mean of its divisors is an integer number (502911).

Almost surely, 2^3987318 is an apocalyptic number.

3987318 is an abundant number, since it is smaller than the sum of its proper divisors (4059258).

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

3987318 is a wasteful number, since it uses less digits than its factorization.

3987318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5999.

The product of its digits is 36288, while the sum is 39.

The square root of 3987318 is about 1996.8269829908. The cubic root of 3987318 is about 158.5721657531.

The spelling of 3987318 in words is "three million, nine hundred eighty-seven thousand, three hundred eighteen".