3960648 has 24 divisors (see below), whose sum is σ = 10726950. Its totient is φ = 1320192.

The previous prime is 3960631. The next prime is 3960667. The reversal of 3960648 is 8460693.

3960648 is a `hidden beast` number, since 3 + 9 + 6 + 0 + 648 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2883204 + 1077444 = 1698^2 + 1038^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27433 + ... + 27576.

Almost surely, 2^3960648 is an apocalyptic number.

It is an amenable number.

3960648 is an abundant number, since it is smaller than the sum of its proper divisors (6766302).

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

3960648 is a wasteful number, since it uses less digits than its factorization.

3960648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55021 (or 55014 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 3960648 is about 1990.1376836792. The cubic root of 3960648 is about 158.2178269913.

The spelling of 3960648 in words is "three million, nine hundred sixty thousand, six hundred forty-eight".