1882891 has 2 divisors, whose sum is σ = 1882892. Its totient is φ = 1882890.

The previous prime is 1882877. The next prime is 1882921. The reversal of 1882891 is 1982881.

It is a weak prime.

It is an emirp because it is prime and its reverse (1982881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1882891 - 2¹¹ = 1880843 is a prime.

1882891 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1882891.

It is not a weakly prime, because it can be changed into another prime (1882861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 941445 + 941446.

It is an arithmetic number, because the mean of its divisors is an integer number (941446).

2^1882891 is an apocalyptic number.

1882891 is a deficient number, since it is larger than the sum of its proper divisors (1).

1882891 is an equidigital number, since it uses as much as digits as its factorization.

1882891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 37.

The square root of 1882891 is about 1372.1847543243. The cubic root of 1882891 is about 123.4833472058.

The spelling of 1882891 in words is "one million, eight hundred eighty-two thousand, eight hundred ninety-one".