2298745 has 4 divisors (see below), whose sum is σ = 2758500. Its totient is φ = 1838992.

The previous prime is 2298731. The next prime is 2298749. The reversal of 2298745 is 5478922.

2298745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1225449 + 1073296 = 1107^2 + 1036^2 .

It is a cyclic number.

It is not a de Polignac number, because 2298745 - 2⁵ = 2298713 is a prime.

It is a d-powerful number, because it can be written as 2¹⁸ + 2²⁰ + 9⁶ + 8⁵ + 7⁵ + 4⁷ + 5⁸ .

2298745 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2298749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229870 + ... + 229879.

It is an arithmetic number, because the mean of its divisors is an integer number (689625).

2^2298745 is an apocalyptic number.

It is an amenable number.

2298745 is a deficient number, since it is larger than the sum of its proper divisors (459755).

2298745 is an equidigital number, since it uses as much as digits as its factorization.

2298745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459754.

The product of its digits is 40320, while the sum is 37.

The square root of 2298745 is about 1516.1612711054. The cubic root of 2298745 is about 131.9765990044.

It can be divided in two parts, 22987 and 45, that added together give a palindrome (23032).

The spelling of 2298745 in words is "two million, two hundred ninety-eight thousand, seven hundred forty-five".