2144360 has 16 divisors (see below), whose sum is σ = 4824900. Its totient is φ = 857728.

The previous prime is 2144323. The next prime is 2144369. The reversal of 2144360 is 634412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1800964 + 343396 = 1342^2 + 586^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26765 + ... + 26844.

2^2144360 is an apocalyptic number.

2144360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144360 is an abundant number, since it is smaller than the sum of its proper divisors (2680540).

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

2144360 is a wasteful number, since it uses less digits than its factorization.

2144360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53620 (or 53616 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2144360 is about 1464.3633428900. The cubic root of 2144360 is about 128.9533312747.

Adding to 2144360 its reverse (634412), we get a palindrome (2778772).

The spelling of 2144360 in words is "two million, one hundred forty-four thousand, three hundred sixty".