989934312 has 64 divisors (see below), whose sum is σ = 2517480000. Its totient is φ = 324324864.

The previous prime is 989934311. The next prime is 989934317. The reversal of 989934312 is 213439989.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (989934311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 610639 + ... + 612257.

It is an arithmetic number, because the mean of its divisors is an integer number (39335625).

Almost surely, 2^989934312 is an apocalyptic number.

It is an amenable number.

989934312 is an abundant number, since it is smaller than the sum of its proper divisors (1527545688).

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

989934312 is a wasteful number, since it uses less digits than its factorization.

989934312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050 (or 2046 counting only the distinct ones).

The product of its digits is 419904, while the sum is 48.

The square root of 989934312 is about 31463.2215769460. The cubic root of 989934312 is about 996.6334497244.

The spelling of 989934312 in words is "nine hundred eighty-nine million, nine hundred thirty-four thousand, three hundred twelve".