8995729 has 4 divisors (see below), whose sum is σ = 9204976. Its totient is φ = 8786484.

The previous prime is 8995709. The next prime is 8995741. The reversal of 8995729 is 9275998.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8995729 - 2¹¹ = 8993681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8995709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104559 + ... + 104644.

It is an arithmetic number, because the mean of its divisors is an integer number (2301244).

Almost surely, 2^8995729 is an apocalyptic number.

It is an amenable number.

8995729 is a deficient number, since it is larger than the sum of its proper divisors (209247).

8995729 is a wasteful number, since it uses less digits than its factorization.

8995729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209246.

The product of its digits is 408240, while the sum is 49.

The square root of 8995729 is about 2999.2880821955. The cubic root of 8995729 is about 207.9754732544.

The spelling of 8995729 in words is "eight million, nine hundred ninety-five thousand, seven hundred twenty-nine".