8489404 has 48 divisors (see below), whose sum is σ = 18982656. Its totient is φ = 3225600.

The previous prime is 8489357. The next prime is 8489413. The reversal of 8489404 is 4049848.

8489404 = 136² + 137² + ... + 303².

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, 12924 + ... + 13564.

It is an arithmetic number, because the mean of its divisors is an integer number (395472).

Almost surely, 2^8489404 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 8489404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9491328).

8489404 is an abundant number, since it is smaller than the sum of its proper divisors (10493252).

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

8489404 is a wasteful number, since it uses less digits than its factorization.

8489404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 8489404 is about 2913.6581817365. The cubic root of 8489404 is about 203.9979174464.

The spelling of 8489404 in words is "eight million, four hundred eighty-nine thousand, four hundred four".