998939236 has 9 divisors (see below), whose sum is σ = 1748254291. Its totient is φ = 499438012.

The previous prime is 998939213. The next prime is 998939273. The reversal of 998939236 is 632939899.

It is a happy number.

The square root of 998939236 is 31606.

It is a perfect power (a square), and thus also a powerful number.

998939236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 55311 + ... + 71113.

Almost surely, 2^998939236 is an apocalyptic number.

998939236 is the 31606-th square number.

It is an amenable number.

998939236 is a deficient number, since it is larger than the sum of its proper divisors (749315055).

998939236 is an frugal number, since it uses more digits than its factorization.

998939236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31610 (or 15805 counting only the distinct ones).

The product of its digits is 5668704, while the sum is 58.

The cubic root of 998939236 is about 999.6462869018.

The spelling of 998939236 in words is "nine hundred ninety-eight million, nine hundred thirty-nine thousand, two hundred thirty-six".