4489918 has 8 divisors (see below), whose sum is σ = 6743880. Its totient is φ = 2241960.

The previous prime is 4489897. The next prime is 4489937. The reversal of 4489918 is 8199844.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2073 + ... + 3643.

It is an arithmetic number, because the mean of its divisors is an integer number (842985).

Almost surely, 2^4489918 is an apocalyptic number.

4489918 is a deficient number, since it is larger than the sum of its proper divisors (2253962).

4489918 is a wasteful number, since it uses less digits than its factorization.

4489918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002.

The product of its digits is 82944, while the sum is 43.

The square root of 4489918 is about 2118.9426608571. The cubic root of 4489918 is about 164.9729738410.

The spelling of 4489918 in words is "four million, four hundred eighty-nine thousand, nine hundred eighteen".