1894043 has 2 divisors, whose sum is σ = 1894044. Its totient is φ = 1894042.

The previous prime is 1894037. The next prime is 1894049. The reversal of 1894043 is 3404981.

It is a balanced prime because it is at equal distance from previous prime (1894037) and next prime (1894049).

It is a cyclic number.

It is not a de Polignac number, because 1894043 - 2⁶ = 1893979 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1893997 and 1894015.

It is not a weakly prime, because it can be changed into another prime (1894049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 947021 + 947022.

It is an arithmetic number, because the mean of its divisors is an integer number (947022).

2^1894043 is an apocalyptic number.

1894043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1894043 is an equidigital number, since it uses as much as digits as its factorization.

1894043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1894043 is about 1376.2423478443. The cubic root of 1894043 is about 123.7266568221.

The spelling of 1894043 in words is "one million, eight hundred ninety-four thousand, forty-three".