8921016 has 96 divisors (see below), whose sum is σ = 27059760. Its totient is φ = 2737152.

The previous prime is 8920999. The next prime is 8921021. The reversal of 8921016 is 6101298.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 25096 + ... + 25448.

Almost surely, 2^8921016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8921016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13529880).

8921016 is an abundant number, since it is smaller than the sum of its proper divisors (18138744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8921016 is a wasteful number, since it uses less digits than its factorization.

8921016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 8921016 is about 2986.8069907512. The cubic root of 8921016 is about 207.3980996736.

The spelling of 8921016 in words is "eight million, nine hundred twenty-one thousand, sixteen".