3901888 has 28 divisors (see below), whose sum is σ = 7936992. Its totient is φ = 1902080.

The previous prime is 3901871. The next prime is 3901901. The reversal of 3901888 is 8881093.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

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, 1881 + ... + 3367.

It is an arithmetic number, because the mean of its divisors is an integer number (283464).

Almost surely, 2^3901888 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 3901888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3968496).

3901888 is an abundant number, since it is smaller than the sum of its proper divisors (4035104).

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

3901888 is a wasteful number, since it uses less digits than its factorization.

3901888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540 (or 1530 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 3901888 is about 1975.3197209566. The cubic root of 3901888 is about 157.4314877963.

It can be divided in two parts, 390 and 1888, that added together give a triangular number (2278 = T₆₇).

The spelling of 3901888 in words is "three million, nine hundred one thousand, eight hundred eighty-eight".