998319396 has 12 divisors (see below), whose sum is σ = 2329411952. Its totient is φ = 332773128.

The previous prime is 998319391. The next prime is 998319409. The reversal of 998319396 is 693913899.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (998319391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41596630 + ... + 41596653.

Almost surely, 2^998319396 is an apocalyptic number.

It is an amenable number.

998319396 is an abundant number, since it is smaller than the sum of its proper divisors (1331092556).

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

998319396 is a wasteful number, since it uses less digits than its factorization.

998319396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83193290 (or 83193288 counting only the distinct ones).

The product of its digits is 2834352, while the sum is 57.

The square root of 998319396 is about 31596.1927453293. The cubic root of 998319396 is about 999.4394845478.

The spelling of 998319396 in words is "nine hundred ninety-eight million, three hundred nineteen thousand, three hundred ninety-six".