998307616 has 12 divisors (see below), whose sum is σ = 1965418182. Its totient is φ = 499153792.

The previous prime is 998307613. The next prime is 998307623. The reversal of 998307616 is 616703899.

It can be written as a sum of positive squares in only one way, i.e., 998307216 + 400 = 31596^2 + 20^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 998307616.

It is not an unprimeable number, because it can be changed into a prime (998307613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15598525 + ... + 15598588.

Almost surely, 2^998307616 is an apocalyptic number.

It is an amenable number.

998307616 is a deficient number, since it is larger than the sum of its proper divisors (967110566).

998307616 is a wasteful number, since it uses less digits than its factorization.

998307616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31197123 (or 31197115 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 998307616 is about 31596.0063299145. The cubic root of 998307616 is about 999.4355534600.

The spelling of 998307616 in words is "nine hundred ninety-eight million, three hundred seven thousand, six hundred sixteen".