4491488 has 24 divisors (see below), whose sum is σ = 8939952. Its totient is φ = 2221056.

The previous prime is 4491481. The next prime is 4491503. The reversal of 4491488 is 8841944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4491481) 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 3 ways as a sum of consecutive naturals, for example, 2381 + ... + 3827.

It is an arithmetic number, because the mean of its divisors is an integer number (372498).

Almost surely, 2^4491488 is an apocalyptic number.

It is an amenable number.

4491488 is a deficient number, since it is larger than the sum of its proper divisors (4448464).

4491488 is a wasteful number, since it uses less digits than its factorization.

4491488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554 (or 1546 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 4491488 is about 2119.3130962649. The cubic root of 4491488 is about 164.9922004272.

The spelling of 4491488 in words is "four million, four hundred ninety-one thousand, four hundred eighty-eight".