988722 has 72 divisors (see below), whose sum is σ = 2667600. Its totient is φ = 263088.

The previous prime is 988711. The next prime is 988727. The reversal of 988722 is 227889.

988722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 10.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 988722.

It is not an unprimeable number, because it can be changed into a prime (988727) by changing a digit.

988722 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16729 + ... + 16787.

It is an arithmetic number, because the mean of its divisors is an integer number (37050).

2⁹⁸⁸⁷²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 988722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1333800).

988722 is an abundant number, since it is smaller than the sum of its proper divisors (1678878).

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

988722 is a wasteful number, since it uses less digits than its factorization.

988722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 90 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 988722 is about 994.3450105471. The cubic root of 988722 is about 99.6226444860.

The spelling of 988722 in words is "nine hundred eighty-eight thousand, seven hundred twenty-two".