2003280 has 80 divisors (see below), whose sum is σ = 6588864. Its totient is φ = 501760.

The previous prime is 2003279. The next prime is 2003299. The reversal of 2003280 is 823002.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 3835 + ... + 4325.

2^2003280 is an apocalyptic number.

2003280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2003280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3294432).

2003280 is an abundant number, since it is smaller than the sum of its proper divisors (4585584).

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

2003280 is a wasteful number, since it uses less digits than its factorization.

2003280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2003280 is about 1415.3727424251. The cubic root of 2003280 is about 126.0609430558.

Adding to 2003280 its reverse (823002), we get a palindrome (2826282).

The spelling of 2003280 in words is "two million, three thousand, two hundred eighty".