8724929 has 2 divisors, whose sum is σ = 8724930. Its totient is φ = 8724928.

The previous prime is 8724883. The next prime is 8724943. The reversal of 8724929 is 9294278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8690704 + 34225 = 2948^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 8724929 - 2¹⁶ = 8659393 is a prime.

It is a super-2 number, since 2×8724929² = 152248772110082, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8724949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4362464 + 4362465.

It is an arithmetic number, because the mean of its divisors is an integer number (4362465).

Almost surely, 2^8724929 is an apocalyptic number.

It is an amenable number.

8724929 is a deficient number, since it is larger than the sum of its proper divisors (1).

8724929 is an equidigital number, since it uses as much as digits as its factorization.

8724929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 41.

The square root of 8724929 is about 2953.7990791521. The cubic root of 8724929 is about 205.8672676854.

It can be divided in two parts, 87249 and 29, that added together give a palindrome (87278).

The spelling of 8724929 in words is "eight million, seven hundred twenty-four thousand, nine hundred twenty-nine".