8921084 has 12 divisors (see below), whose sum is σ = 15648864. Its totient is φ = 4449984.

The previous prime is 8921071. The next prime is 8921123. The reversal of 8921084 is 4801298.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8921084.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 557 + ... + 4260.

It is an arithmetic number, because the mean of its divisors is an integer number (1304072).

Almost surely, 2^8921084 is an apocalyptic number.

It is an amenable number.

8921084 is a deficient number, since it is larger than the sum of its proper divisors (6727780).

8921084 is a wasteful number, since it uses less digits than its factorization.

8921084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5284 (or 5282 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 8921084 is about 2986.8183741232. The cubic root of 8921084 is about 207.3986266329.

The spelling of 8921084 in words is "eight million, nine hundred twenty-one thousand, eighty-four".