1954943 has 2 divisors, whose sum is σ = 1954944. Its totient is φ = 1954942.

The previous prime is 1954933. The next prime is 1954951. The reversal of 1954943 is 3494591.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1954943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1954933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977471 + 977472.

It is an arithmetic number, because the mean of its divisors is an integer number (977472).

2^1954943 is an apocalyptic number.

1954943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1954943 is an equidigital number, since it uses as much as digits as its factorization.

1954943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 35.

The square root of 1954943 is about 1398.1927621040. The cubic root of 1954943 is about 125.0387719726.

The spelling of 1954943 in words is "one million, nine hundred fifty-four thousand, nine hundred forty-three".