8821064 has 16 divisors (see below), whose sum is σ = 18902400. Its totient is φ = 3780432.

The previous prime is 8821049. The next prime is 8821067. The reversal of 8821064 is 4601288.

It is a super-2 number, since 2×8821064² = 155622340184192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8821067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78704 + ... + 78815.

It is an arithmetic number, because the mean of its divisors is an integer number (1181400).

Almost surely, 2^8821064 is an apocalyptic number.

It is an amenable number.

8821064 is an abundant number, since it is smaller than the sum of its proper divisors (10081336).

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

8821064 is a wasteful number, since it uses less digits than its factorization.

8821064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157532 (or 157528 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 8821064 is about 2970.0276092993. The cubic root of 8821064 is about 206.6206187151.

The spelling of 8821064 in words is "eight million, eight hundred twenty-one thousand, sixty-four".