7924243 has 2 divisors, whose sum is σ = 7924244. Its totient is φ = 7924242.

The previous prime is 7924237. The next prime is 7924271. The reversal of 7924243 is 3424297.

It is a weak prime.

It is an emirp because it is prime and its reverse (3424297) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7924243 - 2⁵ = 7924211 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 7⁸ + 9⁴ + 2¹⁵ + 4² + 2²¹ + 4⁷ + 3⁸ .

It is not a weakly prime, because it can be changed into another prime (7924043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3962121 + 3962122.

It is an arithmetic number, because the mean of its divisors is an integer number (3962122).

Almost surely, 2^7924243 is an apocalyptic number.

7924243 is a deficient number, since it is larger than the sum of its proper divisors (1).

7924243 is an equidigital number, since it uses as much as digits as its factorization.

7924243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 31.

The square root of 7924243 is about 2815.0031971563. The cubic root of 7924243 is about 199.3666883653.

The spelling of 7924243 in words is "seven million, nine hundred twenty-four thousand, two hundred forty-three".