998026535 has 8 divisors (see below), whose sum is σ = 1306507536. Its totient is φ = 725837440.

The previous prime is 998026487. The next prime is 998026541. The reversal of 998026535 is 535620899.

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

It is a de Polignac number, because none of the positive numbers 2^k-998026535 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 998026535.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9072914 + ... + 9073023.

It is an arithmetic number, because the mean of its divisors is an integer number (163313442).

Almost surely, 2^998026535 is an apocalyptic number.

998026535 is a deficient number, since it is larger than the sum of its proper divisors (308481001).

998026535 is a wasteful number, since it uses less digits than its factorization.

998026535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18145953.

The product of its (nonzero) digits is 583200, while the sum is 47.

The square root of 998026535 is about 31591.5579704452. The cubic root of 998026535 is about 999.3417451289.

The spelling of 998026535 in words is "nine hundred ninety-eight million, twenty-six thousand, five hundred thirty-five".