8869940 has 48 divisors (see below), whose sum is σ = 19792080. Its totient is φ = 3333120.

The previous prime is 8869919. The next prime is 8869951. The reversal of 8869940 is 499688.

It can be written as a sum of positive squares in 8 ways, for example, as 872356 + 7997584 = 934^2 + 2828^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8869891 and 8869900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23594 + ... + 23966.

It is an arithmetic number, because the mean of its divisors is an integer number (412335).

Almost surely, 2^8869940 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 8869940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9896040).

8869940 is an abundant number, since it is smaller than the sum of its proper divisors (10922140).

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

8869940 is a wasteful number, since it uses less digits than its factorization.

8869940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 8869940 is about 2978.2444493359. The cubic root of 8869940 is about 207.0015325021.

The spelling of 8869940 in words is "eight million, eight hundred sixty-nine thousand, nine hundred forty".