8982729 has 18 divisors (see below), whose sum is σ = 15094170. Its totient is φ = 5132736.

The previous prime is 8982713. The next prime is 8982737. The reversal of 8982729 is 9272898.

It can be written as a sum of positive squares in only one way, i.e., 8277129 + 705600 = 2877^2 + 840^2 .

It is not a de Polignac number, because 8982729 - 2⁴ = 8982713 is a prime.

It is a Curzon number.

8982729 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8982769) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9744 + ... + 10625.

It is an arithmetic number, because the mean of its divisors is an integer number (838565).

Almost surely, 2^8982729 is an apocalyptic number.

It is an amenable number.

8982729 is a deficient number, since it is larger than the sum of its proper divisors (6111441).

8982729 is a wasteful number, since it uses less digits than its factorization.

8982729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20389 (or 20379 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 8982729 is about 2997.1201177130. The cubic root of 8982729 is about 207.8752410743.

The spelling of 8982729 in words is "eight million, nine hundred eighty-two thousand, seven hundred twenty-nine".