2789453 has 4 divisors (see below), whose sum is σ = 2854368. Its totient is φ = 2724540.

The previous prime is 2789441. The next prime is 2789459. The reversal of 2789453 is 3549872.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2789453 - 2⁸ = 2789197 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2789459) 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, 32393 + ... + 32478.

It is an arithmetic number, because the mean of its divisors is an integer number (713592).

2^2789453 is an apocalyptic number.

It is an amenable number.

2789453 is a deficient number, since it is larger than the sum of its proper divisors (64915).

2789453 is an equidigital number, since it uses as much as digits as its factorization.

2789453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64914.

The product of its digits is 60480, while the sum is 38.

The square root of 2789453 is about 1670.1655606556. The cubic root of 2789453 is about 140.7687808765.

The spelling of 2789453 in words is "two million, seven hundred eighty-nine thousand, four hundred fifty-three".