8820234 has 48 divisors (see below), whose sum is σ = 20166120. Its totient is φ = 2782080.

The previous prime is 8820223. The next prime is 8820257. The reversal of 8820234 is 4320288.

It can be written as a sum of positive squares in 4 ways, for example, as 3744225 + 5076009 = 1935^2 + 2253^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8820198 and 8820207.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31704 + ... + 31980.

Almost surely, 2^8820234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8820234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10083060).

8820234 is an abundant number, since it is smaller than the sum of its proper divisors (11345886).

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

8820234 is a wasteful number, since it uses less digits than its factorization.

8820234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 8820234 is about 2969.8878766714. The cubic root of 8820234 is about 206.6141379968.

The spelling of 8820234 in words is "eight million, eight hundred twenty thousand, two hundred thirty-four".