4480749 has 24 divisors (see below), whose sum is σ = 7967232. Its totient is φ = 2363040.

The previous prime is 4480691. The next prime is 4480757. The reversal of 4480749 is 9470844.

It is not a de Polignac number, because 4480749 - 2⁷ = 4480621 is a prime.

It is a super-2 number, since 2×4480749² = 40154223202002, which contains 22 as substring.

4480749 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4480769) by changing a digit.

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, 1917 + ... + 3554.

It is an arithmetic number, because the mean of its divisors is an integer number (331968).

Almost surely, 2^4480749 is an apocalyptic number.

It is an amenable number.

4480749 is a deficient number, since it is larger than the sum of its proper divisors (3486483).

4480749 is a wasteful number, since it uses less digits than its factorization.

4480749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5497 (or 5494 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 4480749 is about 2116.7779760759. Note that the first 3 decimals coincide. The cubic root of 4480749 is about 164.8605985122.

The spelling of 4480749 in words is "four million, four hundred eighty thousand, seven hundred forty-nine".