9923436 has 18 divisors (see below), whose sum is σ = 25084332. Its totient is φ = 3307800.

The previous prime is 9923429. The next prime is 9923449. The reversal of 9923436 is 6343299.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 275651 = 9923436 / (9 + 9 + 2 + 3 + 4 + 3 + 6).

It is a nude number because it is divisible by every one of its digits.

It is a d-powerful number, because it can be written as 9² + 9⁵ + 2¹¹ + 3¹⁴ + 4⁷ + 3¹⁴ + 6⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 9923436.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137790 + ... + 137861.

It is an arithmetic number, because the mean of its divisors is an integer number (1393574).

Almost surely, 2^9923436 is an apocalyptic number.

It is an amenable number.

9923436 is an abundant number, since it is smaller than the sum of its proper divisors (15160896).

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

9923436 is a wasteful number, since it uses less digits than its factorization.

9923436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275661 (or 275656 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 9923436 is about 3150.1485679250. The cubic root of 9923436 is about 214.8922192788.

The spelling of 9923436 in words is "nine million, nine hundred twenty-three thousand, four hundred thirty-six".