988542684 has 24 divisors (see below), whose sum is σ = 2562888720. Its totient is φ = 329514192.

The previous prime is 988542679. The next prime is 988542701. The reversal of 988542684 is 486245889.

988542684 is a `hidden beast` number, since 98 + 8 + 542 + 6 + 8 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 988542684.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4576479 + ... + 4576694.

It is an arithmetic number, because the mean of its divisors is an integer number (106787030).

Almost surely, 2^988542684 is an apocalyptic number.

It is an amenable number.

988542684 is an abundant number, since it is smaller than the sum of its proper divisors (1574346036).

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

988542684 is a wasteful number, since it uses less digits than its factorization.

988542684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9153186 (or 9153178 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The square root of 988542684 is about 31441.0986449265. The cubic root of 988542684 is about 996.1662155463.

The spelling of 988542684 in words is "nine hundred eighty-eight million, five hundred forty-two thousand, six hundred eighty-four".