2259398 has 4 divisors (see below), whose sum is σ = 3389100. Its totient is φ = 1129698.

The previous prime is 2259391. The next prime is 2259403. The reversal of 2259398 is 8939522.

2259398 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 is a d-powerful number, because it can be written as 2¹³ + 2¹⁸ + 5⁸ + 9 + 3¹³ + 9 + 8⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2259391) 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 as a sum of consecutive naturals, namely, 564848 + ... + 564851.

It is an arithmetic number, because the mean of its divisors is an integer number (847275).

2^2259398 is an apocalyptic number.

2259398 is a deficient number, since it is larger than the sum of its proper divisors (1129702).

2259398 is a wasteful number, since it uses less digits than its factorization.

2259398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129701.

The product of its digits is 38880, while the sum is 38.

The square root of 2259398 is about 1503.1294022805. The cubic root of 2259398 is about 131.2192587112.

The spelling of 2259398 in words is "two million, two hundred fifty-nine thousand, three hundred ninety-eight".