3988072 has 16 divisors (see below), whose sum is σ = 8157600. Its totient is φ = 1812720.

The previous prime is 3988069. The next prime is 3988073. The reversal of 3988072 is 2708893.

It is not an unprimeable number, because it can be changed into a prime (3988073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22572 + ... + 22747.

It is an arithmetic number, because the mean of its divisors is an integer number (509850).

Almost surely, 2^3988072 is an apocalyptic number.

It is an amenable number.

3988072 is an abundant number, since it is smaller than the sum of its proper divisors (4169528).

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

3988072 is a wasteful number, since it uses less digits than its factorization.

3988072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45336 (or 45332 counting only the distinct ones).

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

The square root of 3988072 is about 1997.0157735982. The cubic root of 3988072 is about 158.5821604310.

The spelling of 3988072 in words is "three million, nine hundred eighty-eight thousand, seventy-two".