3988704 has 24 divisors (see below), whose sum is σ = 10470600. Its totient is φ = 1329536.

The previous prime is 3988703. The next prime is 3988717. The reversal of 3988704 is 4078893.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3988703) 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, 20679 + ... + 20870.

It is an arithmetic number, because the mean of its divisors is an integer number (436275).

Almost surely, 2^3988704 is an apocalyptic number.

It is an amenable number.

3988704 is an abundant number, since it is smaller than the sum of its proper divisors (6481896).

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

3988704 is a wasteful number, since it uses less digits than its factorization.

3988704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41562 (or 41554 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 3988704 is about 1997.1740034359. The cubic root of 3988704 is about 158.5905369624.

The spelling of 3988704 in words is "three million, nine hundred eighty-eight thousand, seven hundred four".