2723289 has 8 divisors (see below), whose sum is σ = 3822240. Its totient is φ = 1719936.

The previous prime is 2723249. The next prime is 2723293. The reversal of 2723289 is 9823272.

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

It is not a de Polignac number, because 2723289 - 2⁸ = 2723033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2723239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23832 + ... + 23945.

It is an arithmetic number, because the mean of its divisors is an integer number (477780).

2^2723289 is an apocalyptic number.

It is an amenable number.

2723289 is a deficient number, since it is larger than the sum of its proper divisors (1098951).

2723289 is a wasteful number, since it uses less digits than its factorization.

2723289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47799.

The product of its digits is 12096, while the sum is 33.

The square root of 2723289 is about 1650.2390735890. The cubic root of 2723289 is about 139.6468821992.

The spelling of 2723289 in words is "two million, seven hundred twenty-three thousand, two hundred eighty-nine".