4489998 has 16 divisors (see below), whose sum is σ = 9037056. Its totient is φ = 1487160.

The previous prime is 4489981. The next prime is 4489999. The reversal of 4489998 is 8999844.

It is a self number, because there is not a number n which added to its sum of digits gives 4489998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4489999) 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, 1318 + ... + 3273.

It is an arithmetic number, because the mean of its divisors is an integer number (564816).

Almost surely, 2^4489998 is an apocalyptic number.

4489998 is an abundant number, since it is smaller than the sum of its proper divisors (4547058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4489998 is a wasteful number, since it uses less digits than its factorization.

4489998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4759.

The product of its digits is 746496, while the sum is 51.

The square root of 4489998 is about 2118.9615381125. The cubic root of 4489998 is about 164.9739536480.

The spelling of 4489998 in words is "four million, four hundred eighty-nine thousand, nine hundred ninety-eight".