2144395 has 16 divisors (see below), whose sum is σ = 2838528. Its totient is φ = 1542240.

The previous prime is 2144383. The next prime is 2144399. The reversal of 2144395 is 5934412.

It is not a de Polignac number, because 2144395 - 2¹⁹ = 1620107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2144399) 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, 6832 + ... + 7138.

It is an arithmetic number, because the mean of its divisors is an integer number (177408).

2^2144395 is an apocalyptic number.

2144395 is a deficient number, since it is larger than the sum of its proper divisors (694133).

2144395 is a wasteful number, since it uses less digits than its factorization.

2144395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450.

The product of its digits is 4320, while the sum is 28.

The square root of 2144395 is about 1464.3752934272. The cubic root of 2144395 is about 128.9540328581.

It can be divided in two parts, 21 and 44395, that multiplied together give a triangular number (932295 = T₁₃₆₅).

The spelling of 2144395 in words is "two million, one hundred forty-four thousand, three hundred ninety-five".