1888886 has 12 divisors (see below), whose sum is σ = 2937012. Its totient is φ = 911064.

The previous prime is 1888879. The next prime is 1888897. The reversal of 1888886 is 6888881.

It is a self number, because there is not a number n which added to its sum of digits gives 1888886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1121 + ... + 2243.

It is an arithmetic number, because the mean of its divisors is an integer number (244751).

2^1888886 is an apocalyptic number.

1888886 is a deficient number, since it is larger than the sum of its proper divisors (1048126).

1888886 is a wasteful number, since it uses less digits than its factorization.

1888886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183 (or 1154 counting only the distinct ones).

The product of its digits is 196608, while the sum is 47.

The square root of 1888886 is about 1374.3674908844. The cubic root of 1888886 is about 123.6142626231.

The spelling of 1888886 in words is "one million, eight hundred eighty-eight thousand, eight hundred eighty-six".