2298388 has 6 divisors (see below), whose sum is σ = 4022186. Its totient is φ = 1149192.

The previous prime is 2298379. The next prime is 2298389. The reversal of 2298388 is 8838922.

It can be written as a sum of positive squares in only one way, i.e., 2079364 + 219024 = 1442^2 + 468^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2298388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2298389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287295 + ... + 287302.

2^2298388 is an apocalyptic number.

It is an amenable number.

2298388 is a deficient number, since it is larger than the sum of its proper divisors (1723798).

2298388 is a wasteful number, since it uses less digits than its factorization.

2298388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574601 (or 574599 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 2298388 is about 1516.0435349950. The cubic root of 2298388 is about 131.9697665683.

The spelling of 2298388 in words is "two million, two hundred ninety-eight thousand, three hundred eighty-eight".