9864432 has 60 divisors (see below), whose sum is σ = 28084264. Its totient is φ = 3231360.

The previous prime is 9864427. The next prime is 9864433. The reversal of 9864432 is 2344689.

It is a happy number.

9864432 is a `hidden beast` number, since 9 + 8 + 644 + 3 + 2 = 666.

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

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

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9864433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8223 + ... + 9345.

Almost surely, 2^9864432 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 9864432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14042132).

9864432 is an abundant number, since it is smaller than the sum of its proper divisors (18219832).

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

9864432 is a wasteful number, since it uses less digits than its factorization.

9864432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198 (or 1189 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 9864432 is about 3140.7693325044. The cubic root of 9864432 is about 214.4654613729.

It can be divided in two parts, 9864 and 432, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 9864432 in words is "nine million, eight hundred sixty-four thousand, four hundred thirty-two".