998396873 has 2 divisors, whose sum is σ = 998396874. Its totient is φ = 998396872.

The previous prime is 998396851. The next prime is 998396887. The reversal of 998396873 is 378693899.

998396873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 503912704 + 494484169 = 22448^2 + 22237^2 .

It is a cyclic number.

It is not a de Polignac number, because 998396873 - 2¹⁴ = 998380489 is a prime.

It is not a weakly prime, because it can be changed into another prime (998396473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499198436 + 499198437.

It is an arithmetic number, because the mean of its divisors is an integer number (499198437).

Almost surely, 2^998396873 is an apocalyptic number.

It is an amenable number.

998396873 is a deficient number, since it is larger than the sum of its proper divisors (1).

998396873 is an equidigital number, since it uses as much as digits as its factorization.

998396873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17635968, while the sum is 62.

The square root of 998396873 is about 31597.4187711591. The cubic root of 998396873 is about 999.4653385214.

The spelling of 998396873 in words is "nine hundred ninety-eight million, three hundred ninety-six thousand, eight hundred seventy-three".