1923841 has 2 divisors, whose sum is σ = 1923842. Its totient is φ = 1923840.

The previous prime is 1923833. The next prime is 1923853. The reversal of 1923841 is 1483291.

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., 1392400 + 531441 = 1180^2 + 729^2 .

It is a cyclic number.

It is not a de Polignac number, because 1923841 - 2³ = 1923833 is a prime.

It is not a weakly prime, because it can be changed into another prime (1923811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 961920 + 961921.

It is an arithmetic number, because the mean of its divisors is an integer number (961921).

2^1923841 is an apocalyptic number.

It is an amenable number.

1923841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1923841 is an equidigital number, since it uses as much as digits as its factorization.

1923841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 28.

The square root of 1923841 is about 1387.0259550564. The cubic root of 1923841 is about 124.3721261425.

The spelling of 1923841 in words is "one million, nine hundred twenty-three thousand, eight hundred forty-one".