1924393 has 2 divisors, whose sum is σ = 1924394. Its totient is φ = 1924392.

The previous prime is 1924343. The next prime is 1924397. The reversal of 1924393 is 3934291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1841449 + 82944 = 1357^2 + 288^2 .

It is a cyclic number.

It is not a de Polignac number, because 1924393 - 2¹⁷ = 1793321 is a prime.

It is a d-powerful number, because it can be written as 1 + 9⁴ + 2⁷ + 4⁹ + 3⁷ + 9⁵ + 3¹³ .

It is a zygodrome in base 7.

It is not a weakly prime, because it can be changed into another prime (1924397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962196 + 962197.

It is an arithmetic number, because the mean of its divisors is an integer number (962197).

2^1924393 is an apocalyptic number.

It is an amenable number.

1924393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1924393 is an equidigital number, since it uses as much as digits as its factorization.

1924393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 31.

The square root of 1924393 is about 1387.2249276884. The cubic root of 1924393 is about 124.3840202039.

The spelling of 1924393 in words is "one million, nine hundred twenty-four thousand, three hundred ninety-three".