2144388 has 24 divisors (see below), whose sum is σ = 5066208. Its totient is φ = 705856.

The previous prime is 2144383. The next prime is 2144399. The reversal of 2144388 is 8834412.

2144388 = T₃₂₇ + T₃₂₈ + ... + T₃₆₂.

It is not an unprimeable number, because it can be changed into a prime (2144383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81 + ... + 2072.

It is an arithmetic number, because the mean of its divisors is an integer number (211092).

2^2144388 is an apocalyptic number.

It is an amenable number.

2144388 is an abundant number, since it is smaller than the sum of its proper divisors (2921820).

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

2144388 is a wasteful number, since it uses less digits than its factorization.

2144388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243 (or 2241 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 2144388 is about 1464.3729033276. The cubic root of 2144388 is about 128.9538925420.

The spelling of 2144388 in words is "two million, one hundred forty-four thousand, three hundred eighty-eight".