8449320 has 128 divisors (see below), whose sum is σ = 28563840. Its totient is φ = 1981440.

The previous prime is 8449277. The next prime is 8449327. The reversal of 8449320 is 239448.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8449327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48754 + ... + 48926.

It is an arithmetic number, because the mean of its divisors is an integer number (223155).

Almost surely, 2^8449320 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 8449320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14281920).

8449320 is an abundant number, since it is smaller than the sum of its proper divisors (20114520).

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

8449320 is a wasteful number, since it uses less digits than its factorization.

8449320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 8449320 is about 2906.7714048408. The cubic root of 8449320 is about 203.6763418243.

The spelling of 8449320 in words is "eight million, four hundred forty-nine thousand, three hundred twenty".