1316784198 has 24 divisors (see below), whose sum is σ = 2789260488. Its totient is φ = 412993792.

The previous prime is 1316784193. The next prime is 1316784199. The reversal of 1316784198 is 8914876131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316784193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364690 + ... + 368282.

It is an arithmetic number, because the mean of its divisors is an integer number (116219187).

Almost surely, 2^1316784198 is an apocalyptic number.

1316784198 is an abundant number, since it is smaller than the sum of its proper divisors (1472476290).

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

1316784198 is an frugal number, since it uses more digits than its factorization.

1316784198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7208 (or 3615 counting only the distinct ones).

The product of its digits is 290304, while the sum is 48.

The square root of 1316784198 is about 36287.5212435349. The cubic root of 1316784198 is about 1096.0697754031.

The spelling of 1316784198 in words is "one billion, three hundred sixteen million, seven hundred eighty-four thousand, one hundred ninety-eight".