3988672 has 14 divisors (see below), whose sum is σ = 7915148. Its totient is φ = 1994304.

The previous prime is 3988667. The next prime is 3988679. The reversal of 3988672 is 2768893.

3988672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3988679) by changing a digit.

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, 31098 + ... + 31225.

Almost surely, 2^3988672 is an apocalyptic number.

3988672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3988672 is a deficient number, since it is larger than the sum of its proper divisors (3926476).

3988672 is an equidigital number, since it uses as much as digits as its factorization.

3988672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62335 (or 62325 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 3988672 is about 1997.1659920998. The cubic root of 3988672 is about 158.5901128555.

The spelling of 3988672 in words is "three million, nine hundred eighty-eight thousand, six hundred seventy-two".