2298598861 has 8 divisors (see below), whose sum is σ = 2475789624. Its totient is φ = 2121461760.

The previous prime is 2298598829. The next prime is 2298598871. The reversal of 2298598861 is 1688958922.

It can be written as a sum of positive squares in 4 ways, for example, as 145082025 + 2153516836 = 12045^2 + 46406^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2298598861 - 2⁵ = 2298598829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2298598796 and 2298598805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2298598811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144285 + ... + 159421.

It is an arithmetic number, because the mean of its divisors is an integer number (309473703).

Almost surely, 2^2298598861 is an apocalyptic number.

It is an amenable number.

2298598861 is a deficient number, since it is larger than the sum of its proper divisors (177190763).

2298598861 is a wasteful number, since it uses less digits than its factorization.

2298598861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26831.

The product of its digits is 4976640, while the sum is 58.

The square root of 2298598861 is about 47943.7051238220. The cubic root of 2298598861 is about 1319.7380221215.

The spelling of 2298598861 in words is "two billion, two hundred ninety-eight million, five hundred ninety-eight thousand, eight hundred sixty-one".