1940473 has 2 divisors, whose sum is σ = 1940474. Its totient is φ = 1940472.

The previous prime is 1940459. The next prime is 1940479. The reversal of 1940473 is 3740491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1937664 + 2809 = 1392^2 + 53^2 .

It is a cyclic number.

It is not a de Polignac number, because 1940473 - 2⁹ = 1939961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1940479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970236 + 970237.

It is an arithmetic number, because the mean of its divisors is an integer number (970237).

2^1940473 is an apocalyptic number.

It is an amenable number.

1940473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1940473 is an equidigital number, since it uses as much as digits as its factorization.

1940473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1940473 is about 1393.0086144744. The cubic root of 1940473 is about 124.7295057518.

The spelling of 1940473 in words is "one million, nine hundred forty thousand, four hundred seventy-three".