988286634 has 96 divisors (see below), whose sum is σ = 2353128960. Its totient is φ = 298909440.

The previous prime is 988286633. The next prime is 988286641. The reversal of 988286634 is 436682889.

988286634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988286633) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10188474 + ... + 10188570.

It is an arithmetic number, because the mean of its divisors is an integer number (24511760).

Almost surely, 2^988286634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 988286634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1176564480).

988286634 is an abundant number, since it is smaller than the sum of its proper divisors (1364842326).

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

988286634 is a wasteful number, since it uses less digits than its factorization.

988286634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 152 counting only the distinct ones).

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

The square root of 988286634 is about 31437.0264815233. The cubic root of 988286634 is about 996.0801999096.

The spelling of 988286634 in words is "nine hundred eighty-eight million, two hundred eighty-six thousand, six hundred thirty-four".