988634826 has 24 divisors (see below), whose sum is σ = 2211141504. Its totient is φ = 318914280.

The previous prime is 988634749. The next prime is 988634827. The reversal of 988634826 is 628436889.

It is not an unprimeable number, because it can be changed into a prime (988634827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 885316 + ... + 886431.

It is an arithmetic number, because the mean of its divisors is an integer number (92130896).

Almost surely, 2^988634826 is an apocalyptic number.

988634826 is an abundant number, since it is smaller than the sum of its proper divisors (1222506678).

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

988634826 is a wasteful number, since it uses less digits than its factorization.

988634826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771786 (or 1771783 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The square root of 988634826 is about 31442.5639221740. The cubic root of 988634826 is about 996.1971654477.

The spelling of 988634826 in words is "nine hundred eighty-eight million, six hundred thirty-four thousand, eight hundred twenty-six".