798985298 has 4 divisors (see below), whose sum is σ = 1198477950. Its totient is φ = 399492648.

The previous prime is 798985277. The next prime is 798985303. The reversal of 798985298 is 892589897.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 892589897 = 317 ⋅2815741.

It can be written as a sum of positive squares in only one way, i.e., 776012449 + 22972849 = 27857^2 + 4793^2 .

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 as a sum of consecutive naturals, namely, 199746323 + ... + 199746326.

Almost surely, 2^798985298 is an apocalyptic number.

798985298 is a deficient number, since it is larger than the sum of its proper divisors (399492652).

798985298 is a wasteful number, since it uses less digits than its factorization.

798985298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399492651.

The product of its digits is 26127360, while the sum is 65.

The square root of 798985298 is about 28266.3279893233. The cubic root of 798985298 is about 927.9251148761.

The spelling of 798985298 in words is "seven hundred ninety-eight million, nine hundred eighty-five thousand, two hundred ninety-eight".