2133480 has 64 divisors (see below), whose sum is σ = 6687360. Its totient is φ = 543488.

The previous prime is 2133463. The next prime is 2133487. The reversal of 2133480 is 843312.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2133487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2374 + ... + 3146.

It is an arithmetic number, because the mean of its divisors is an integer number (104490).

2^2133480 is an apocalyptic number.

2133480 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 2133480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3343680).

2133480 is an abundant number, since it is smaller than the sum of its proper divisors (4553880).

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

2133480 is a wasteful number, since it uses less digits than its factorization.

2133480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2133480 is about 1460.6436937186. The cubic root of 2133480 is about 128.7348679863.

Adding to 2133480 its reverse (843312), we get a palindrome (2976792).

The spelling of 2133480 in words is "two million, one hundred thirty-three thousand, four hundred eighty".