998807132 has 12 divisors (see below), whose sum is σ = 1748628336. Its totient is φ = 499199040.

The previous prime is 998807129. The next prime is 998807141. The reversal of 998807132 is 231708899.

998807132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39869 + ... + 59892.

It is an arithmetic number, because the mean of its divisors is an integer number (145719028).

Almost surely, 2^998807132 is an apocalyptic number.

It is an amenable number.

998807132 is a deficient number, since it is larger than the sum of its proper divisors (749821204).

998807132 is a wasteful number, since it uses less digits than its factorization.

998807132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102268 (or 102266 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 998807132 is about 31603.9100745462. The cubic root of 998807132 is about 999.6022191247.

The spelling of 998807132 in words is "nine hundred ninety-eight million, eight hundred seven thousand, one hundred thirty-two".