3945888 has 48 divisors (see below), whose sum is σ = 11511360. Its totient is φ = 1315008.

The previous prime is 3945883. The next prime is 3945913. The reversal of 3945888 is 8885493.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (3945883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1420 + ... + 3147.

It is an arithmetic number, because the mean of its divisors is an integer number (239820).

Almost surely, 2^3945888 is an apocalyptic number.

It is an amenable number.

3945888 is an abundant number, since it is smaller than the sum of its proper divisors (7565472).

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

3945888 is a wasteful number, since it uses less digits than its factorization.

3945888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4586 (or 4572 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 3945888 is about 1986.4259361980. The cubic root of 3945888 is about 158.0210408340.

The spelling of 3945888 in words is "three million, nine hundred forty-five thousand, eight hundred eighty-eight".