1942943 has 2 divisors, whose sum is σ = 1942944. Its totient is φ = 1942942.

The previous prime is 1942939. The next prime is 1942961. The reversal of 1942943 is 3492491.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1942943 - 2² = 1942939 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1942543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 971471 + 971472.

It is an arithmetic number, because the mean of its divisors is an integer number (971472).

2^1942943 is an apocalyptic number.

1942943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1942943 is an equidigital number, since it uses as much as digits as its factorization.

1942943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 1942943 is about 1393.8949027814. The cubic root of 1942943 is about 124.7824054406.

The spelling of 1942943 in words is "one million, nine hundred forty-two thousand, nine hundred forty-three".