8821842 has 8 divisors (see below), whose sum is σ = 17643696. Its totient is φ = 2940612.

The previous prime is 8821819. The next prime is 8821867. The reversal of 8821842 is 2481288.

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

8821842 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 735148 + ... + 735159.

It is an arithmetic number, because the mean of its divisors is an integer number (2205462).

Almost surely, 2^8821842 is an apocalyptic number.

8821842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8821842 is a wasteful number, since it uses less digits than its factorization.

8821842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470312.

The product of its digits is 8192, while the sum is 33.

The square root of 8821842 is about 2970.1585816249. The cubic root of 8821842 is about 206.6266930434.

The spelling of 8821842 in words is "eight million, eight hundred twenty-one thousand, eight hundred forty-two".