2188329 has 16 divisors (see below), whose sum is σ = 3428544. Its totient is φ = 1224000.

The previous prime is 2188327. The next prime is 2188331. The reversal of 2188329 is 9238812.

It is an interprime number because it is at equal distance from previous prime (2188327) and next prime (2188331).

It is not a de Polignac number, because 2188329 - 2¹ = 2188327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2188329.

It is not an unprimeable number, because it can be changed into a prime (2188327) 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, 2122 + ... + 2979.

It is an arithmetic number, because the mean of its divisors is an integer number (214284).

2^2188329 is an apocalyptic number.

It is an amenable number.

2188329 is a deficient number, since it is larger than the sum of its proper divisors (1240215).

2188329 is a wasteful number, since it uses less digits than its factorization.

2188329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5128.

The product of its digits is 6912, while the sum is 33.

The square root of 2188329 is about 1479.3001723788. The cubic root of 2188329 is about 129.8287488661.

It can be divided in two parts, 21883 and 29, that added together give a palindrome (21912).

The spelling of 2188329 in words is "two million, one hundred eighty-eight thousand, three hundred twenty-nine".