2373289 has 4 divisors (see below), whose sum is σ = 2379780. Its totient is φ = 2366800.

The previous prime is 2373281. The next prime is 2373307. The reversal of 2373289 is 9823732.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1016064 + 1357225 = 1008^2 + 1165^2 .

It is a cyclic number.

It is not a de Polignac number, because 2373289 - 2³ = 2373281 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2373281) 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, 2662 + ... + 3439.

It is an arithmetic number, because the mean of its divisors is an integer number (594945).

2^2373289 is an apocalyptic number.

It is an amenable number.

2373289 is a deficient number, since it is larger than the sum of its proper divisors (6491).

2373289 is an equidigital number, since it uses as much as digits as its factorization.

2373289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6490.

The product of its digits is 18144, while the sum is 34.

The square root of 2373289 is about 1540.5482790228. The cubic root of 2373289 is about 133.3880351936.

It can be divided in two parts, 2373 and 289, that added together give a palindrome (2662).

The spelling of 2373289 in words is "two million, three hundred seventy-three thousand, two hundred eighty-nine".