3964648 has 32 divisors (see below), whose sum is σ = 8035200. Its totient is φ = 1828288.

The previous prime is 3964633. The next prime is 3964651. The reversal of 3964648 is 8464693.

It is a self number, because there is not a number n which added to its sum of digits gives 3964648.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4965 + ... + 5707.

It is an arithmetic number, because the mean of its divisors is an integer number (251100).

Almost surely, 2^3964648 is an apocalyptic number.

It is an amenable number.

3964648 is an abundant number, since it is smaller than the sum of its proper divisors (4070552).

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

3964648 is a wasteful number, since it uses less digits than its factorization.

3964648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801 (or 797 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 3964648 is about 1991.1423856671. The cubic root of 3964648 is about 158.2710723503.

The spelling of 3964648 in words is "three million, nine hundred sixty-four thousand, six hundred forty-eight".