3948864 has 56 divisors (see below), whose sum is σ = 10594848. Its totient is φ = 1297920.

The previous prime is 3948859. The next prime is 3948881. The reversal of 3948864 is 4688493.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25074 + ... + 25230.

Almost surely, 2^3948864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3948864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5297424).

3948864 is an abundant number, since it is smaller than the sum of its proper divisors (6645984).

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

3948864 is a wasteful number, since it uses less digits than its factorization.

3948864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 293 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 3948864 is about 1987.1748790683. The cubic root of 3948864 is about 158.0607574910.

The spelling of 3948864 in words is "three million, nine hundred forty-eight thousand, eight hundred sixty-four".