998743752 has 48 divisors (see below), whose sum is σ = 2731732380. Its totient is φ = 329616000.

The previous prime is 998743751. The next prime is 998743769. The reversal of 998743752 is 257347899.

It can be written as a sum of positive squares in 2 ways, for example, as 653006916 + 345736836 = 25554^2 + 18594^2 .

It is not an unprimeable number, because it can be changed into a prime (998743751) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 61399 + ... + 75942.

Almost surely, 2^998743752 is an apocalyptic number.

It is an amenable number.

998743752 is an abundant number, since it is smaller than the sum of its proper divisors (1732988628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

998743752 is a wasteful number, since it uses less digits than its factorization.

998743752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137454 (or 137447 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The square root of 998743752 is about 31602.9073346108. The cubic root of 998743752 is about 999.5810751932.

The spelling of 998743752 in words is "nine hundred ninety-eight million, seven hundred forty-three thousand, seven hundred fifty-two".