2189315 has 8 divisors (see below), whose sum is σ = 2643408. Its totient is φ = 1740640.

The previous prime is 2189309. The next prime is 2189321. The reversal of 2189315 is 5139812.

It is an interprime number because it is at equal distance from previous prime (2189309) and next prime (2189321).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2189315 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 401 + ... + 2130.

It is an arithmetic number, because the mean of its divisors is an integer number (330426).

2^2189315 is an apocalyptic number.

2189315 is a deficient number, since it is larger than the sum of its proper divisors (454093).

2189315 is a wasteful number, since it uses less digits than its factorization.

2189315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709.

The product of its digits is 2160, while the sum is 29.

The square root of 2189315 is about 1479.6334005422. The cubic root of 2189315 is about 129.8482450091.

The spelling of 2189315 in words is "two million, one hundred eighty-nine thousand, three hundred fifteen".