4488661 has 4 divisors (see below), whose sum is σ = 4564800. Its totient is φ = 4412524.

The previous prime is 4488643. The next prime is 4488667. The reversal of 4488661 is 1668844.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4488661 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 4488661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4488667) 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 3 ways as a sum of consecutive naturals, for example, 37981 + ... + 38098.

It is an arithmetic number, because the mean of its divisors is an integer number (1141200).

Almost surely, 2^4488661 is an apocalyptic number.

It is an amenable number.

4488661 is a deficient number, since it is larger than the sum of its proper divisors (76139).

4488661 is an equidigital number, since it uses as much as digits as its factorization.

4488661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76138.

The product of its digits is 36864, while the sum is 37.

The square root of 4488661 is about 2118.6460298974. The cubic root of 4488661 is about 164.9575770949.

The spelling of 4488661 in words is "four million, four hundred eighty-eight thousand, six hundred sixty-one".