4449860 has 12 divisors (see below), whose sum is σ = 9344748. Its totient is φ = 1779936.

The previous prime is 4449859. The next prime is 4449871. The reversal of 4449860 is 689444.

It can be written as a sum of positive squares in 2 ways, for example, as 2096704 + 2353156 = 1448^2 + 1534^2 .

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 4449860.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111227 + ... + 111266.

It is an arithmetic number, because the mean of its divisors is an integer number (778729).

Almost surely, 2^4449860 is an apocalyptic number.

It is an amenable number.

4449860 is an abundant number, since it is smaller than the sum of its proper divisors (4894888).

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

4449860 is a wasteful number, since it uses less digits than its factorization.

4449860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222502 (or 222500 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 4449860 is about 2109.4691275295. The cubic root of 4449860 is about 164.4808907259.

The spelling of 4449860 in words is "four million, four hundred forty-nine thousand, eight hundred sixty".