1942873 has 2 divisors, whose sum is σ = 1942874. Its totient is φ = 1942872.

The previous prime is 1942859. The next prime is 1942877. The reversal of 1942873 is 3782491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1315609 + 627264 = 1147^2 + 792^2 .

It is an emirp because it is prime and its reverse (3782491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1942873 - 2⁵ = 1942841 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1942877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 971436 + 971437.

It is an arithmetic number, because the mean of its divisors is an integer number (971437).

2^1942873 is an apocalyptic number.

It is an amenable number.

1942873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1942873 is an equidigital number, since it uses as much as digits as its factorization.

1942873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 1942873 is about 1393.8697930582. The cubic root of 1942873 is about 124.7809068767.

The spelling of 1942873 in words is "one million, nine hundred forty-two thousand, eight hundred seventy-three".