2144700 has 54 divisors (see below), whose sum is σ = 6725264. Its totient is φ = 571680.

The previous prime is 2144689. The next prime is 2144707. The reversal of 2144700 is 74412.

It is a happy number.

2144700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 292 + ... + 2091.

2^2144700 is an apocalyptic number.

2144700 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 2144700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3362632).

2144700 is an abundant number, since it is smaller than the sum of its proper divisors (4580564).

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

2144700 is a wasteful number, since it uses less digits than its factorization.

2144700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403 (or 2393 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 2144700 is about 1464.4794296951. The cubic root of 2144700 is about 128.9601463331.

The spelling of 2144700 in words is "two million, one hundred forty-four thousand, seven hundred".