8449020 has 72 divisors (see below), whose sum is σ = 26020176. Its totient is φ = 2218752.

The previous prime is 8449013. The next prime is 8449097. The reversal of 8449020 is 209448.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12819 + ... + 13461.

Almost surely, 2^8449020 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 8449020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13010088).

8449020 is an abundant number, since it is smaller than the sum of its proper divisors (17571156).

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

8449020 is a wasteful number, since it uses less digits than its factorization.

8449020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 8449020 is about 2906.7198007376. The cubic root of 8449020 is about 203.6739312309.

The spelling of 8449020 in words is "eight million, four hundred forty-nine thousand, twenty".