8409882 has 32 divisors (see below), whose sum is σ = 18268992. Its totient is φ = 2565504.

The previous prime is 8409871. The next prime is 8409889. The reversal of 8409882 is 2889048.

It is a happy number.

It is a super-2 number, since 2×8409882² = 141452230507848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8409882.

It is not an unprimeable number, because it can be changed into a prime (8409889) 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, 10293 + ... + 11079.

It is an arithmetic number, because the mean of its divisors is an integer number (570906).

Almost surely, 2^8409882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8409882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9134496).

8409882 is an abundant number, since it is smaller than the sum of its proper divisors (9859110).

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

8409882 is a wasteful number, since it uses less digits than its factorization.

8409882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 8409882 is about 2899.9796551010. The cubic root of 8409882 is about 203.3589546382.

The spelling of 8409882 in words is "eight million, four hundred nine thousand, eight hundred eighty-two".