1924243 has 2 divisors, whose sum is σ = 1924244. Its totient is φ = 1924242.

The previous prime is 1924231. The next prime is 1924261. The reversal of 1924243 is 3424291.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1924243 - 2¹³ = 1916051 is a prime.

It is a super-2 number, since 2×1924243² = 7405422246098, which contains 22 as substring.

1924243 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1924283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962121 + 962122.

It is an arithmetic number, because the mean of its divisors is an integer number (962122).

2^1924243 is an apocalyptic number.

1924243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1924243 is an equidigital number, since it uses as much as digits as its factorization.

1924243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 1924243 is about 1387.1708618624. The cubic root of 1924243 is about 124.3807883471.

The spelling of 1924243 in words is "one million, nine hundred twenty-four thousand, two hundred forty-three".