1946473 has 2 divisors, whose sum is σ = 1946474. Its totient is φ = 1946472.

The previous prime is 1946471. The next prime is 1946489. The reversal of 1946473 is 3746491.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1327104 + 619369 = 1152^2 + 787^2 .

It is a cyclic number.

It is not a de Polignac number, because 1946473 - 2¹ = 1946471 is a prime.

Together with 1946471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1946471) 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, 973236 + 973237.

It is an arithmetic number, because the mean of its divisors is an integer number (973237).

2^1946473 is an apocalyptic number.

It is an amenable number.

1946473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1946473 is an equidigital number, since it uses as much as digits as its factorization.

1946473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 1946473 is about 1395.1605642362. The cubic root of 1946473 is about 124.8579292551.

The spelling of 1946473 in words is "one million, nine hundred forty-six thousand, four hundred seventy-three".