8449870 has 64 divisors (see below), whose sum is σ = 18869760. Its totient is φ = 2678400.

The previous prime is 8449853. The next prime is 8449877. The reversal of 8449870 is 789448.

8449870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8449877) 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, 27015 + ... + 27325.

It is an arithmetic number, because the mean of its divisors is an integer number (294840).

Almost surely, 2^8449870 is an apocalyptic number.

8449870 is an abundant number, since it is smaller than the sum of its proper divisors (10419890).

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

8449870 is a wasteful number, since it uses less digits than its factorization.

8449870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 8449870 is about 2906.8660099839. The cubic root of 8449870 is about 203.6807610974.

The spelling of 8449870 in words is "eight million, four hundred forty-nine thousand, eight hundred seventy".