4490505 has 64 divisors (see below), whose sum is σ = 8755200. Its totient is φ = 2177280.

The previous prime is 4490503. The next prime is 4490509. The reversal of 4490505 is 5050944.

It is not a de Polignac number, because 4490505 - 2¹ = 4490503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

4490505 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4490503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 121347 + ... + 121383.

It is an arithmetic number, because the mean of its divisors is an integer number (136800).

Almost surely, 2^4490505 is an apocalyptic number.

4490505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4490505 is a deficient number, since it is larger than the sum of its proper divisors (4264695).

4490505 is a wasteful number, since it uses less digits than its factorization.

4490505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 4490505 is about 2119.0811688088. The cubic root of 4490505 is about 164.9801629044.

The spelling of 4490505 in words is "four million, four hundred ninety thousand, five hundred five".