8921055 has 32 divisors (see below), whose sum is σ = 16773120. Its totient is φ = 3991680.

The previous prime is 8921053. The next prime is 8921063. The reversal of 8921055 is 5501298.

It is not a de Polignac number, because 8921055 - 2¹ = 8921053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8921053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66 + ... + 4224.

It is an arithmetic number, because the mean of its divisors is an integer number (524160).

Almost surely, 2^8921055 is an apocalyptic number.

8921055 is a deficient number, since it is larger than the sum of its proper divisors (7852065).

8921055 is a wasteful number, since it uses less digits than its factorization.

8921055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 8921055 is about 2986.8135194551. The cubic root of 8921055 is about 207.3984019006.

The spelling of 8921055 in words is "eight million, nine hundred twenty-one thousand, fifty-five".