988807212 has 18 divisors (see below), whose sum is σ = 2499484988. Its totient is φ = 329602392.

The previous prime is 988807207. The next prime is 988807289. The reversal of 988807212 is 212708889.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13733398 + ... + 13733469.

Almost surely, 2^988807212 is an apocalyptic number.

It is an amenable number.

988807212 is an abundant number, since it is smaller than the sum of its proper divisors (1510677776).

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

988807212 is a wasteful number, since it uses less digits than its factorization.

988807212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27466877 (or 27466872 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 988807212 is about 31445.3050867693. The cubic root of 988807212 is about 996.2550636252.

The spelling of 988807212 in words is "nine hundred eighty-eight million, eight hundred seven thousand, two hundred twelve".