4481487 has 20 divisors (see below), whose sum is σ = 6811816. Its totient is φ = 2935440.

The previous prime is 4481479. The next prime is 4481501. The reversal of 4481487 is 7841844.

It is a happy number.

It is not a de Polignac number, because 4481487 - 2³ = 4481479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4481287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4488 + ... + 5394.

Almost surely, 2^4481487 is an apocalyptic number.

4481487 is a deficient number, since it is larger than the sum of its proper divisors (2330329).

4481487 is an equidigital number, since it uses as much as digits as its factorization.

4481487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980 (or 971 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 4481487 is about 2116.9522904402. The cubic root of 4481487 is about 164.8696491153.

The spelling of 4481487 in words is "four million, four hundred eighty-one thousand, four hundred eighty-seven".