998050939 has 2 divisors, whose sum is σ = 998050940. Its totient is φ = 998050938.

The previous prime is 998050919. The next prime is 998050957. The reversal of 998050939 is 939050899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 998050939 - 2⁷ = 998050811 is a prime.

It is a super-2 number, since 2×998050939² = 1992211353677563442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (998050919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499025469 + 499025470.

It is an arithmetic number, because the mean of its divisors is an integer number (499025470).

Almost surely, 2^998050939 is an apocalyptic number.

998050939 is a deficient number, since it is larger than the sum of its proper divisors (1).

998050939 is an equidigital number, since it uses as much as digits as its factorization.

998050939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 787320, while the sum is 52.

The square root of 998050939 is about 31591.9442105104. The cubic root of 998050939 is about 999.3498904492.

The spelling of 998050939 in words is "nine hundred ninety-eight million, fifty thousand, nine hundred thirty-nine".