32428344 has 64 divisors (see below), whose sum is σ = 91123200. Its totient is φ = 9542016.

The previous prime is 32428343. The next prime is 32428369. The reversal of 32428344 is 44382423.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32428343) 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, 4917 + ... + 9435.

It is an arithmetic number, because the mean of its divisors is an integer number (1423800).

Almost surely, 2^32428344 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 32428344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45561600).

32428344 is an abundant number, since it is smaller than the sum of its proper divisors (58694856).

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

32428344 is a wasteful number, since it uses less digits than its factorization.

32428344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4564 (or 4560 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 32428344 is about 5694.5890106311. The cubic root of 32428344 is about 318.8905066054.

The spelling of 32428344 in words is "thirty-two million, four hundred twenty-eight thousand, three hundred forty-four".