1882681 has 2 divisors, whose sum is σ = 1882682. Its totient is φ = 1882680.

The previous prime is 1882667. The next prime is 1882703. The reversal of 1882681 is 1862881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1836025 + 46656 = 1355^2 + 216^2 .

It is an emirp because it is prime and its reverse (1862881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1882681 - 2⁹ = 1882169 is a prime.

It is a super-2 number, since 2×1882681² = 7088975495522, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1882081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 941340 + 941341.

It is an arithmetic number, because the mean of its divisors is an integer number (941341).

2^1882681 is an apocalyptic number.

It is an amenable number.

1882681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1882681 is an equidigital number, since it uses as much as digits as its factorization.

1882681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6144, while the sum is 34.

The square root of 1882681 is about 1372.1082318826. The cubic root of 1882681 is about 123.4787563104.

The spelling of 1882681 in words is "one million, eight hundred eighty-two thousand, six hundred eighty-one".