1923793 has 2 divisors, whose sum is σ = 1923794. Its totient is φ = 1923792.

The previous prime is 1923791. The next prime is 1923797. The reversal of 1923793 is 3973291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1617984 + 305809 = 1272^2 + 553^2 .

It is a cyclic number.

It is not a de Polignac number, because 1923793 - 2¹ = 1923791 is a prime.

Together with 1923791, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1923791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 961896 + 961897.

It is an arithmetic number, because the mean of its divisors is an integer number (961897).

2^1923793 is an apocalyptic number.

It is an amenable number.

1923793 is a deficient number, since it is larger than the sum of its proper divisors (1).

1923793 is an equidigital number, since it uses as much as digits as its factorization.

1923793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10206, while the sum is 34.

The square root of 1923793 is about 1387.0086517394. The cubic root of 1923793 is about 124.3710917688.

The spelling of 1923793 in words is "one million, nine hundred twenty-three thousand, seven hundred ninety-three".