988297938 has 12 divisors (see below), whose sum is σ = 2141312238. Its totient is φ = 329432640.

The previous prime is 988297909. The next prime is 988297957. The reversal of 988297938 is 839792889.

It can be written as a sum of positive squares in only one way, i.e., 661158369 + 327139569 = 25713^2 + 18087^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27452703 + ... + 27452738.

Almost surely, 2^988297938 is an apocalyptic number.

988297938 is an abundant number, since it is smaller than the sum of its proper divisors (1153014300).

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

988297938 is a wasteful number, since it uses less digits than its factorization.

988297938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54905449 (or 54905446 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 63.

The square root of 988297938 is about 31437.2062690055. The cubic root of 988297938 is about 996.0839976093.

The spelling of 988297938 in words is "nine hundred eighty-eight million, two hundred ninety-seven thousand, nine hundred thirty-eight".