998236284 has 24 divisors (see below), whose sum is σ = 2345978880. Its totient is φ = 330351024.

The previous prime is 998236259. The next prime is 998236303. The reversal of 998236284 is 482632899.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297564 + ... + 300899.

It is an arithmetic number, because the mean of its divisors is an integer number (97749120).

Almost surely, 2^998236284 is an apocalyptic number.

It is an amenable number.

998236284 is an abundant number, since it is smaller than the sum of its proper divisors (1347742596).

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

998236284 is a wasteful number, since it uses less digits than its factorization.

998236284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598609 (or 598607 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The square root of 998236284 is about 31594.8774962018. The cubic root of 998236284 is about 999.4117486949.

The spelling of 998236284 in words is "nine hundred ninety-eight million, two hundred thirty-six thousand, two hundred eighty-four".