4499988 has 48 divisors (see below), whose sum is σ = 11081280. Its totient is φ = 1419264.

The previous prime is 4499969. The next prime is 4500007. The reversal of 4499988 is 8899944.

It is an interprime number because it is at equal distance from previous prime (4499969) and next prime (4500007).

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 4499988.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23220 + ... + 23412.

It is an arithmetic number, because the mean of its divisors is an integer number (230860).

Almost surely, 2^4499988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4499988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5540640).

4499988 is an abundant number, since it is smaller than the sum of its proper divisors (6581292).

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

4499988 is a wasteful number, since it uses less digits than its factorization.

4499988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 294 counting only the distinct ones).

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

The square root of 4499988 is about 2121.3175151306. The cubic root of 4499988 is about 165.0962156923.

The spelling of 4499988 in words is "four million, four hundred ninety-nine thousand, nine hundred eighty-eight".