998958442 has 8 divisors (see below), whose sum is σ = 1498983300. Its totient is φ = 499297344.

The previous prime is 998958347. The next prime is 998958451. The reversal of 998958442 is 244859899.

It can be written as a sum of positive squares in 2 ways, for example, as 998623201 + 335241 = 31601^2 + 579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 83967 + ... + 95122.

Almost surely, 2^998958442 is an apocalyptic number.

998958442 is a deficient number, since it is larger than the sum of its proper divisors (500024858).

998958442 is a wasteful number, since it uses less digits than its factorization.

998958442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181880.

The product of its digits is 7464960, while the sum is 58.

The square root of 998958442 is about 31606.3038332545. The cubic root of 998958442 is about 999.6526933921.

The spelling of 998958442 in words is "nine hundred ninety-eight million, nine hundred fifty-eight thousand, four hundred forty-two".