998756712 has 24 divisors (see below), whose sum is σ = 2704966290. Its totient is φ = 332918880.

The previous prime is 998756711. The next prime is 998756713. The reversal of 998756712 is 217657899.

It is an interprime number because it is at equal distance from previous prime (998756711) and next prime (998756713).

It can be written as a sum of positive squares in only one way, i.e., 853457796 + 145298916 = 29214^2 + 12054^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (998756711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6935739 + ... + 6935882.

Almost surely, 2^998756712 is an apocalyptic number.

It is an amenable number.

998756712 is an abundant number, since it is smaller than the sum of its proper divisors (1706209578).

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

998756712 is a wasteful number, since it uses less digits than its factorization.

998756712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13871633 (or 13871626 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 54.

The square root of 998756712 is about 31603.1123783718. The cubic root of 998756712 is about 999.5853987963.

The spelling of 998756712 in words is "nine hundred ninety-eight million, seven hundred fifty-six thousand, seven hundred twelve".