4389532 has 48 divisors (see below), whose sum is σ = 9533440. Its totient is φ = 1726272.

The previous prime is 4389523. The next prime is 4389533. The reversal of 4389532 is 2359834.

It is a happy number.

It is an Ulam number.

Its product of digits (25920) is a multiple of the sum of its prime divisors (288).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4389533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19573 + ... + 19795.

Almost surely, 2^4389532 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 4389532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4766720).

4389532 is an abundant number, since it is smaller than the sum of its proper divisors (5143908).

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

4389532 is a wasteful number, since it uses less digits than its factorization.

4389532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 288 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 4389532 is about 2095.1209988924. The cubic root of 4389532 is about 163.7342016109.

The spelling of 4389532 in words is "four million, three hundred eighty-nine thousand, five hundred thirty-two".