998203264 has 16 divisors (see below), whose sum is σ = 1988608320. Its totient is φ = 499101568.

The previous prime is 998203237. The next prime is 998203267. The reversal of 998203264 is 462302899.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 998203264.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998203267) by changing a digit.

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 as a sum of consecutive naturals, namely, 3899104 + ... + 3899359.

It is an arithmetic number, because the mean of its divisors is an integer number (124288020).

Almost surely, 2^998203264 is an apocalyptic number.

It is an amenable number.

998203264 is a deficient number, since it is larger than the sum of its proper divisors (990405056).

998203264 is an equidigital number, since it uses as much as digits as its factorization.

998203264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7798477 (or 7798465 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 998203264 is about 31594.3549388178. The cubic root of 998203264 is about 999.4007289459.

The spelling of 998203264 in words is "nine hundred ninety-eight million, two hundred three thousand, two hundred sixty-four".