8841820 has 48 divisors (see below), whose sum is σ = 20659968. Its totient is φ = 3156480.

The previous prime is 8841817. The next prime is 8841823. The reversal of 8841820 is 281488.

8841820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8841817) and next prime (8841823).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8841823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7512 + ... + 8608.

It is an arithmetic number, because the mean of its divisors is an integer number (430416).

Almost surely, 2^8841820 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 8841820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10329984).

8841820 is an abundant number, since it is smaller than the sum of its proper divisors (11818148).

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

8841820 is a wasteful number, since it uses less digits than its factorization.

8841820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150 (or 1148 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 8841820 is about 2973.5197998332. The cubic root of 8841820 is about 206.7825514949.

It can be divided in two parts, 884 and 1820, that added together give a square (2704 = 52²).

The spelling of 8841820 in words is "eight million, eight hundred forty-one thousand, eight hundred twenty".