4481687 has 6 divisors (see below), whose sum is σ = 5213448. Its totient is φ = 3841404.

The previous prime is 4481683. The next prime is 4481707. The reversal of 4481687 is 7861844.

It is not a de Polignac number, because 4481687 - 2² = 4481683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4481687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4481683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45683 + ... + 45780.

It is an arithmetic number, because the mean of its divisors is an integer number (868908).

Almost surely, 2^4481687 is an apocalyptic number.

4481687 is a deficient number, since it is larger than the sum of its proper divisors (731761).

4481687 is an equidigital number, since it uses as much as digits as its factorization.

4481687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91477 (or 91470 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 4481687 is about 2116.9995276334. Note that the first 3 decimals coincide. The cubic root of 4481687 is about 164.8721016822.

The spelling of 4481687 in words is "four million, four hundred eighty-one thousand, six hundred eighty-seven".