8804721 has 8 divisors (see below), whose sum is σ = 11778624. Its totient is φ = 5850320.

The previous prime is 8804707. The next prime is 8804729. The reversal of 8804721 is 1274088.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8804721 - 2⁵ = 8804689 is a prime.

It is a super-2 number, since 2×8804721² = 155046223775682, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8804729) 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 in 7 ways as a sum of consecutive naturals, for example, 3786 + ... + 5651.

It is an arithmetic number, because the mean of its divisors is an integer number (1472328).

Almost surely, 2^8804721 is an apocalyptic number.

It is an amenable number.

8804721 is a deficient number, since it is larger than the sum of its proper divisors (2973903).

8804721 is a wasteful number, since it uses less digits than its factorization.

8804721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9751.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 8804721 is about 2967.2750125325. The cubic root of 8804721 is about 206.4929361458.

The spelling of 8804721 in words is "eight million, eight hundred four thousand, seven hundred twenty-one".