998307216 has 45 divisors (see below), whose sum is σ = 2794935169. Its totient is φ = 332642688.

The previous prime is 998307187. The next prime is 998307257. The reversal of 998307216 is 612703899.

The square root of 998307216 is 31596.

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

It can be written as a sum of positive squares in only one way, i.e., 163328400 + 834978816 = 12780^2 + 28896^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 377836 + ... + 380468.

Almost surely, 2^998307216 is an apocalyptic number.

998307216 is the 31596-th square number.

It is an amenable number.

998307216 is an abundant number, since it is smaller than the sum of its proper divisors (1796627953).

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

998307216 is an equidigital number, since it uses as much as digits as its factorization.

998307216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280 (or 2638 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The cubic root of 998307216 is about 999.4354199760.

It can be divided in two parts, 9 and 98307216, that added together give a square (98307225 = 9915²).

The spelling of 998307216 in words is "nine hundred ninety-eight million, three hundred seven thousand, two hundred sixteen".