8724799 has 2 divisors, whose sum is σ = 8724800. Its totient is φ = 8724798.

The previous prime is 8724787. The next prime is 8724803. The reversal of 8724799 is 9974278.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8724799 is a prime.

It is a super-2 number, since 2×8724799² = 152244235180802, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8724719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4362399 + 4362400.

It is an arithmetic number, because the mean of its divisors is an integer number (4362400).

Almost surely, 2^8724799 is an apocalyptic number.

8724799 is a deficient number, since it is larger than the sum of its proper divisors (1).

8724799 is an equidigital number, since it uses as much as digits as its factorization.

8724799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 46.

The square root of 8724799 is about 2953.7770735111. Note that the first 3 decimals coincide. The cubic root of 8724799 is about 205.8662452176.

It can be divided in two parts, 872 and 4799, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 8724799 in words is "eight million, seven hundred twenty-four thousand, seven hundred ninety-nine".