998094481 has 2 divisors, whose sum is σ = 998094482. Its totient is φ = 998094480.

The previous prime is 998094473. The next prime is 998094533. The reversal of 998094481 is 184490899.

It is a happy number.

It is an a-pointer prime, because the next prime (998094533) can be obtained adding 998094481 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 871194256 + 126900225 = 29516^2 + 11265^2 .

It is a cyclic number.

It is not a de Polignac number, because 998094481 - 2³ = 998094473 is a prime.

It is a super-2 number, since 2×998094481² = 1992385186005318722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (998094431) 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, 499047240 + 499047241.

It is an arithmetic number, because the mean of its divisors is an integer number (499047241).

Almost surely, 2^998094481 is an apocalyptic number.

It is an amenable number.

998094481 is a deficient number, since it is larger than the sum of its proper divisors (1).

998094481 is an equidigital number, since it uses as much as digits as its factorization.

998094481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 52.

The square root of 998094481 is about 31592.6333343708. The cubic root of 998094481 is about 999.3644231276.

The spelling of 998094481 in words is "nine hundred ninety-eight million, ninety-four thousand, four hundred eighty-one".