998765612 has 24 divisors (see below), whose sum is σ = 1885723056. Its totient is φ = 460127808.

The previous prime is 998765611. The next prime is 998765671. The reversal of 998765612 is 216567899.

It is not an unprimeable number, because it can be changed into a prime (998765611) 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 7 ways as a sum of consecutive naturals, for example, 11723 + ... + 46205.

It is an arithmetic number, because the mean of its divisors is an integer number (78571794).

Almost surely, 2^998765612 is an apocalyptic number.

It is an amenable number.

998765612 is a deficient number, since it is larger than the sum of its proper divisors (886957444).

998765612 is a wasteful number, since it uses less digits than its factorization.

998765612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35057 (or 35055 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 53.

The square root of 998765612 is about 31603.2531869743. The cubic root of 998765612 is about 999.5883679156.

The spelling of 998765612 in words is "nine hundred ninety-eight million, seven hundred sixty-five thousand, six hundred twelve".