4489661 has 8 divisors (see below), whose sum is σ = 4978848. Its totient is φ = 4014000.

The previous prime is 4489651. The next prime is 4489663. The reversal of 4489661 is 1669844.

4489661 = T₂₀₈ + T₂₀₉ + ... + T₃₂₉.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4489661 - 2¹⁴ = 4473277 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 (4489663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2675 + ... + 4016.

It is an arithmetic number, because the mean of its divisors is an integer number (622356).

Almost surely, 2^4489661 is an apocalyptic number.

It is an amenable number.

4489661 is a deficient number, since it is larger than the sum of its proper divisors (489187).

4489661 is a wasteful number, since it uses less digits than its factorization.

4489661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6763.

The product of its digits is 41472, while the sum is 38.

The square root of 4489661 is about 2118.8820165361. The cubic root of 4489661 is about 164.9698261322.

The spelling of 4489661 in words is "four million, four hundred eighty-nine thousand, six hundred sixty-one".