2309898 has 16 divisors (see below), whose sum is σ = 4636800. Its totient is φ = 767136.

The previous prime is 2309897. The next prime is 2309911. The reversal of 2309898 is 8989032.

2309898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2309891) 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 7 ways as a sum of consecutive naturals, for example, 1678 + ... + 2726.

It is an arithmetic number, because the mean of its divisors is an integer number (289800).

2^2309898 is an apocalyptic number.

2309898 is an abundant number, since it is smaller than the sum of its proper divisors (2326902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2309898 is a wasteful number, since it uses less digits than its factorization.

2309898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 2309898 is about 1519.8348594502. The cubic root of 2309898 is about 132.1896951220.

The spelling of 2309898 in words is "two million, three hundred nine thousand, eight hundred ninety-eight".