1941891 has 16 divisors (see below), whose sum is σ = 2995200. Its totient is φ = 1096128.

The previous prime is 1941889. The next prime is 1941931. The reversal of 1941891 is 1981491.

It is not a de Polignac number, because 1941891 - 2¹ = 1941889 is a prime.

1941891 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1941851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1350 + ... + 2388.

It is an arithmetic number, because the mean of its divisors is an integer number (187200).

2^1941891 is an apocalyptic number.

1941891 is a deficient number, since it is larger than the sum of its proper divisors (1053309).

1941891 is a wasteful number, since it uses less digits than its factorization.

1941891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138.

The product of its digits is 2592, while the sum is 33.

The square root of 1941891 is about 1393.5174918170. The cubic root of 1941891 is about 124.7598803692.

The spelling of 1941891 in words is "one million, nine hundred forty-one thousand, eight hundred ninety-one".