816398298 has 16 divisors (see below), whose sum is σ = 1814218560. Its totient is φ = 272132748.

The previous prime is 816398287. The next prime is 816398309. The reversal of 816398298 is 892893618.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (816398287) and next prime (816398309).

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 15118487 = 816398298 / (8 + 1 + 6 + 3 + 9 + 8 + 2 + 9 + 8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7559190 + ... + 7559297.

It is an arithmetic number, because the mean of its divisors is an integer number (113388660).

Almost surely, 2^816398298 is an apocalyptic number.

816398298 is an abundant number, since it is smaller than the sum of its proper divisors (997820262).

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

816398298 is a wasteful number, since it uses less digits than its factorization.

816398298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15118498 (or 15118492 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 816398298 is about 28572.6844731117. The cubic root of 816398298 is about 934.6177617235.

The spelling of 816398298 in words is "eight hundred sixteen million, three hundred ninety-eight thousand, two hundred ninety-eight".