988394922 has 12 divisors (see below), whose sum is σ = 2141522370. Its totient is φ = 329464968.

The previous prime is 988394867. The next prime is 988394923. The reversal of 988394922 is 229493889.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 979627401 + 8767521 = 31299^2 + 2961^2 .

It is not an unprimeable number, because it can be changed into a prime (988394923) 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, 27455397 + ... + 27455432.

Almost surely, 2^988394922 is an apocalyptic number.

988394922 is an abundant number, since it is smaller than the sum of its proper divisors (1153127448).

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

988394922 is a wasteful number, since it uses less digits than its factorization.

988394922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54910837 (or 54910834 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 988394922 is about 31438.7487346427. The cubic root of 988394922 is about 996.1165792317.

The spelling of 988394922 in words is "nine hundred eighty-eight million, three hundred ninety-four thousand, nine hundred twenty-two".