2164480 has 72 divisors (see below), whose sum is σ = 5518800. Its totient is φ = 811008.

The previous prime is 2164471. The next prime is 2164483. The reversal of 2164480 is 844612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24276 + ... + 24364.

It is an arithmetic number, because the mean of its divisors is an integer number (76650).

2^2164480 is an apocalyptic number.

2164480 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 2164480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2759400).

2164480 is an abundant number, since it is smaller than the sum of its proper divisors (3354320).

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

2164480 is an equidigital number, since it uses as much as digits as its factorization.

2164480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 2164480 is about 1471.2171831514. The cubic root of 2164480 is about 129.3553888296.

The spelling of 2164480 in words is "two million, one hundred sixty-four thousand, four hundred eighty".