998598255 has 32 divisors (see below), whose sum is σ = 1640556288. Its totient is φ = 518380800.

The previous prime is 998598253. The next prime is 998598323. The reversal of 998598255 is 552895899.

It is not a de Polignac number, because 998598255 - 2¹ = 998598253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998598253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 300312 + ... + 303618.

It is an arithmetic number, because the mean of its divisors is an integer number (51267384).

Almost surely, 2^998598255 is an apocalyptic number.

998598255 is a deficient number, since it is larger than the sum of its proper divisors (641958033).

998598255 is a wasteful number, since it uses less digits than its factorization.

998598255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3847.

The product of its digits is 11664000, while the sum is 60.

The square root of 998598255 is about 31600.6052948357. The cubic root of 998598255 is about 999.5325331755.

The spelling of 998598255 in words is "nine hundred ninety-eight million, five hundred ninety-eight thousand, two hundred fifty-five".