2089279 has 4 divisors (see below), whose sum is σ = 2145784. Its totient is φ = 2032776.

The previous prime is 2089273. The next prime is 2089303. The reversal of 2089279 is 9729802.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9729802 = 2 ⋅4864901.

It is a cyclic number.

It is not a de Polignac number, because 2089279 - 2³ = 2089271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 56467 = 2089279 / (2 + 0 + 8 + 9 + 2 + 7 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2089271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28197 + ... + 28270.

It is an arithmetic number, because the mean of its divisors is an integer number (536446).

2^2089279 is an apocalyptic number.

2089279 is a deficient number, since it is larger than the sum of its proper divisors (56505).

2089279 is an equidigital number, since it uses as much as digits as its factorization.

2089279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56504.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 2089279 is about 1445.4338449061. The cubic root of 2089279 is about 127.8396225441.

The spelling of 2089279 in words is "two million, eighty-nine thousand, two hundred seventy-nine".