998608284215 has 16 divisors (see below), whose sum is σ = 1228105349856. Its totient is φ = 779053747200.

The previous prime is 998608284203. The next prime is 998608284227. The reversal of 998608284215 is 512482806899.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (998608284203) and next prime (998608284227).

It is not a de Polignac number, because 998608284215 - 2¹² = 998608280119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 626066 + ... + 1545695.

It is an arithmetic number, because the mean of its divisors is an integer number (76756584366).

Almost surely, 2^998608284215 is an apocalyptic number.

998608284215 is a deficient number, since it is larger than the sum of its proper divisors (229497065641).

998608284215 is a wasteful number, since it uses less digits than its factorization.

998608284215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174050.

The product of its (nonzero) digits is 19906560, while the sum is 62.

The spelling of 998608284215 in words is "nine hundred ninety-eight billion, six hundred eight million, two hundred eighty-four thousand, two hundred fifteen".