9942588 has 72 divisors (see below), whose sum is σ = 26692848. Its totient is φ = 3234816.

The previous prime is 9942587. The next prime is 9942593. The reversal of 9942588 is 8852499.

It is a super-2 number, since 2×9942588² = 197710112275488, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9942587) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51420 + ... + 51612.

It is an arithmetic number, because the mean of its divisors is an integer number (370734).

Almost surely, 2^9942588 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9942588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13346424).

9942588 is an abundant number, since it is smaller than the sum of its proper divisors (16750260).

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

9942588 is a wasteful number, since it uses less digits than its factorization.

9942588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 251 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 9942588 is about 3153.1869592525. The cubic root of 9942588 is about 215.0303760939.

The spelling of 9942588 in words is "nine million, nine hundred forty-two thousand, five hundred eighty-eight".