2273789 has 8 divisors (see below), whose sum is σ = 2618688. Its totient is φ = 1933920.

The previous prime is 2273783. The next prime is 2273807. The reversal of 2273789 is 9873722.

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

It is a cyclic number.

It is not a de Polignac number, because 2273789 - 2⁸ = 2273533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227 + ... + 2144.

It is an arithmetic number, because the mean of its divisors is an integer number (327336).

2^2273789 is an apocalyptic number.

It is an amenable number.

2273789 is a deficient number, since it is larger than the sum of its proper divisors (344899).

2273789 is a wasteful number, since it uses less digits than its factorization.

2273789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515.

The product of its digits is 42336, while the sum is 38.

The square root of 2273789 is about 1507.9088168719. The cubic root of 2273789 is about 131.4972650956.

It can be divided in two parts, 227378 and 9, that multiplied together give a palindrome (2046402).

The spelling of 2273789 in words is "two million, two hundred seventy-three thousand, seven hundred eighty-nine".