3987226 has 16 divisors (see below), whose sum is σ = 6334560. Its totient is φ = 1877040.

The previous prime is 3987199. The next prime is 3987227. The reversal of 3987226 is 6227893.

It is not an unprimeable number, because it can be changed into a prime (3987227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11881 + ... + 12211.

It is an arithmetic number, because the mean of its divisors is an integer number (395910).

Almost surely, 2^3987226 is an apocalyptic number.

3987226 is a deficient number, since it is larger than the sum of its proper divisors (2347334).

3987226 is a wasteful number, since it uses less digits than its factorization.

3987226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669.

The product of its digits is 36288, while the sum is 37.

The square root of 3987226 is about 1996.8039463102. The cubic root of 3987226 is about 158.5709461570.

The spelling of 3987226 in words is "three million, nine hundred eighty-seven thousand, two hundred twenty-six".