998131448 has 8 divisors (see below), whose sum is σ = 1871496480. Its totient is φ = 499065720.

The previous prime is 998131439. The next prime is 998131451. The reversal of 998131448 is 844131899.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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, 62383208 + ... + 62383223.

It is an arithmetic number, because the mean of its divisors is an integer number (233937060).

Almost surely, 2^998131448 is an apocalyptic number.

It is an amenable number.

998131448 is a deficient number, since it is larger than the sum of its proper divisors (873365032).

998131448 is a wasteful number, since it uses less digits than its factorization.

998131448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124766437 (or 124766433 counting only the distinct ones).

The product of its digits is 248832, while the sum is 47.

The square root of 998131448 is about 31593.2183862297. The cubic root of 998131448 is about 999.3767609872.

The spelling of 998131448 in words is "nine hundred ninety-eight million, one hundred thirty-one thousand, four hundred forty-eight".