4449240 has 96 divisors (see below), whose sum is σ = 15331680. Its totient is φ = 1115136.

The previous prime is 4449239. The next prime is 4449259. The reversal of 4449240 is 429444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5757 + ... + 6483.

It is an arithmetic number, because the mean of its divisors is an integer number (159705).

Almost surely, 2^4449240 is an apocalyptic number.

4449240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4449240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7665840).

4449240 is an abundant number, since it is smaller than the sum of its proper divisors (10882440).

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

4449240 is a wasteful number, since it uses less digits than its factorization.

4449240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761 (or 754 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 4449240 is about 2109.3221660050. The cubic root of 4449240 is about 164.4732513179.

It can be divided in two parts, 44 and 49240, that added together give a square (49284 = 222²).

The spelling of 4449240 in words is "four million, four hundred forty-nine thousand, two hundred forty".