8829921 has 8 divisors (see below), whose sum is σ = 12047200. Its totient is φ = 5749632.

The previous prime is 8829917. The next prime is 8829923. The reversal of 8829921 is 1299288.

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

It is not a de Polignac number, because 8829921 - 2² = 8829917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8829921.

It is not an unprimeable number, because it can be changed into a prime (8829923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34096 + ... + 34353.

It is an arithmetic number, because the mean of its divisors is an integer number (1505900).

Almost surely, 2^8829921 is an apocalyptic number.

It is an amenable number.

8829921 is a deficient number, since it is larger than the sum of its proper divisors (3217279).

8829921 is a wasteful number, since it uses less digits than its factorization.

8829921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68495.

The product of its digits is 20736, while the sum is 39.

The square root of 8829921 is about 2971.5182987826. The cubic root of 8829921 is about 206.6897497052.

The spelling of 8829921 in words is "eight million, eight hundred twenty-nine thousand, nine hundred twenty-one".