1941881 has 2 divisors, whose sum is σ = 1941882. Its totient is φ = 1941880.

The previous prime is 1941851. The next prime is 1941889. The reversal of 1941881 is 1881491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1301881 + 640000 = 1141^2 + 800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1941881 is a prime.

It is a super-2 number, since 2×1941881² = 7541803636322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1941889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970940 + 970941.

It is an arithmetic number, because the mean of its divisors is an integer number (970941).

2^1941881 is an apocalyptic number.

It is an amenable number.

1941881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1941881 is an equidigital number, since it uses as much as digits as its factorization.

1941881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 32.

The square root of 1941881 is about 1393.5139037699. The cubic root of 1941881 is about 124.7596662135.

The spelling of 1941881 in words is "one million, nine hundred forty-one thousand, eight hundred eighty-one".