988217912 has 16 divisors (see below), whose sum is σ = 2021355000. Its totient is φ = 449189920.

The previous prime is 988217903. The next prime is 988217921. The reversal of 988217912 is 219712889.

It is an interprime number because it is at equal distance from previous prime (988217903) and next prime (988217921).

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, 5614787 + ... + 5614962.

Almost surely, 2^988217912 is an apocalyptic number.

It is an amenable number.

988217912 is an abundant number, since it is smaller than the sum of its proper divisors (1033137088).

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

988217912 is a wasteful number, since it uses less digits than its factorization.

988217912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11229766 (or 11229762 counting only the distinct ones).

The product of its digits is 145152, while the sum is 47.

The square root of 988217912 is about 31435.9334520227. The cubic root of 988217912 is about 996.0571113953.

The spelling of 988217912 in words is "nine hundred eighty-eight million, two hundred seventeen thousand, nine hundred twelve".