998338812 has 48 divisors (see below), whose sum is σ = 2454466560. Its totient is φ = 314955648.

The previous prime is 998338811. The next prime is 998338813. The reversal of 998338812 is 218833899.

It is an interprime number because it is at equal distance from previous prime (998338811) and next prime (998338813).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998338811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377848 + ... + 380480.

It is an arithmetic number, because the mean of its divisors is an integer number (51134720).

Almost surely, 2^998338812 is an apocalyptic number.

It is a pronic number, being equal to 31596×31597.

It is an amenable number.

998338812 is an abundant number, since it is smaller than the sum of its proper divisors (1456127748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

998338812 is a wasteful number, since it uses less digits than its factorization.

998338812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4322 (or 4320 counting only the distinct ones).

The product of its digits is 746496, while the sum is 51.

The square root of 998338812 is about 31596.4999960439. The cubic root of 998338812 is about 999.4459637672.

The spelling of 998338812 in words is "nine hundred ninety-eight million, three hundred thirty-eight thousand, eight hundred twelve".