4001888 has 24 divisors (see below), whose sum is σ = 8595720. Its totient is φ = 1818880.

The previous prime is 4001873. The next prime is 4001891. The reversal of 4001888 is 8881004.

It is a self number, because there is not a number n which added to its sum of digits gives 4001888.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5333 + ... + 6036.

It is an arithmetic number, because the mean of its divisors is an integer number (358155).

Almost surely, 2^4001888 is an apocalyptic number.

It is an amenable number.

4001888 is an abundant number, since it is smaller than the sum of its proper divisors (4593832).

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

4001888 is a wasteful number, since it uses less digits than its factorization.

4001888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11390 (or 11382 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 4001888 is about 2000.4719443171. The cubic root of 4001888 is about 158.7650763783.

The spelling of 4001888 in words is "four million, one thousand, eight hundred eighty-eight".