988518740 has 48 divisors (see below), whose sum is σ = 2267939520. Its totient is φ = 358932480.

The previous prime is 988518721. The next prime is 988518743. The reversal of 988518740 is 47815889.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988518743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166259 + ... + 172101.

It is an arithmetic number, because the mean of its divisors is an integer number (47248740).

Almost surely, 2^988518740 is an apocalyptic number.

It is an amenable number.

988518740 is an abundant number, since it is smaller than the sum of its proper divisors (1279420780).

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

988518740 is a wasteful number, since it uses less digits than its factorization.

988518740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6632 (or 6630 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 50.

The square root of 988518740 is about 31440.7178671226. The cubic root of 988518740 is about 996.1581725969.

The spelling of 988518740 in words is "nine hundred eighty-eight million, five hundred eighteen thousand, seven hundred forty".