998084951 has 2 divisors, whose sum is σ = 998084952. Its totient is φ = 998084950.

The previous prime is 998084947. The next prime is 998085007. The reversal of 998084951 is 159480899.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 998084951 - 2² = 998084947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 998084893 and 998084902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998074951) 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, 499042475 + 499042476.

It is an arithmetic number, because the mean of its divisors is an integer number (499042476).

Almost surely, 2^998084951 is an apocalyptic number.

998084951 is a deficient number, since it is larger than the sum of its proper divisors (1).

998084951 is an equidigital number, since it uses as much as digits as its factorization.

998084951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 53.

The square root of 998084951 is about 31592.4825077106. The cubic root of 998084951 is about 999.3612424089.

The spelling of 998084951 in words is "nine hundred ninety-eight million, eighty-four thousand, nine hundred fifty-one".