1801888 has 24 divisors (see below), whose sum is σ = 3870720. Its totient is φ = 818880.

The previous prime is 1801873. The next prime is 1801897. The reversal of 1801888 is 8881081.

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, 2208 + ... + 2911.

It is an arithmetic number, because the mean of its divisors is an integer number (161280).

2^1801888 is an apocalyptic number.

It is an amenable number.

1801888 is an abundant number, since it is smaller than the sum of its proper divisors (2068832).

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

1801888 is a wasteful number, since it uses less digits than its factorization.

1801888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5140 (or 5132 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 34.

The square root of 1801888 is about 1342.3442181497. The cubic root of 1801888 is about 121.6865554109.

The spelling of 1801888 in words is "one million, eight hundred one thousand, eight hundred eighty-eight".