998363359 has 4 divisors (see below), whose sum is σ = 1140986704. Its totient is φ = 855740016.

The previous prime is 998363357. The next prime is 998363411. The reversal of 998363359 is 953363899.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 998363359 - 2¹ = 998363357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998363351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71311662 + ... + 71311675.

It is an arithmetic number, because the mean of its divisors is an integer number (285246676).

Almost surely, 2^998363359 is an apocalyptic number.

998363359 is a deficient number, since it is larger than the sum of its proper divisors (142623345).

998363359 is a wasteful number, since it uses less digits than its factorization.

998363359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142623344.

The product of its digits is 4723920, while the sum is 55.

The square root of 998363359 is about 31596.8884385789. Note that the first 3 decimals coincide. The cubic root of 998363359 is about 999.4541551076.

The spelling of 998363359 in words is "nine hundred ninety-eight million, three hundred sixty-three thousand, three hundred fifty-nine".