9923508 has 72 divisors (see below), whose sum is σ = 29248128. Its totient is φ = 2778048.

The previous prime is 9923483. The next prime is 9923509. The reversal of 9923508 is 8053299.

It is a super-2 number, since 2×9923508² = 196952022052128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9923509) 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, 12985 + ... + 13727.

It is an arithmetic number, because the mean of its divisors is an integer number (406224).

Almost surely, 2^9923508 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 9923508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14624064).

9923508 is an abundant number, since it is smaller than the sum of its proper divisors (19324620).

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

9923508 is a wasteful number, since it uses less digits than its factorization.

9923508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813 (or 808 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 9923508 is about 3150.1599959367. The cubic root of 9923508 is about 214.8927389981.

9923508 divided by its sum of digits (36) gives a triangular number (275653 = T₇₄₂).

The spelling of 9923508 in words is "nine million, nine hundred twenty-three thousand, five hundred eight".