439645332 has 96 divisors (see below), whose sum is σ = 1260564480. Its totient is φ = 116449920.

The previous prime is 439645331. The next prime is 439645363. The reversal of 439645332 is 233546934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439645331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72082 + ... + 77942.

It is an arithmetic number, because the mean of its divisors is an integer number (13130880).

Almost surely, 2^439645332 is an apocalyptic number.

439645332 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 439645332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630282240).

439645332 is an abundant number, since it is smaller than the sum of its proper divisors (820919148).

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

439645332 is a wasteful number, since it uses less digits than its factorization.

439645332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5941 (or 5939 counting only the distinct ones).

The product of its digits is 233280, while the sum is 39.

The square root of 439645332 is about 20967.7211923471. The cubic root of 439645332 is about 760.3860757723.

The spelling of 439645332 in words is "four hundred thirty-nine million, six hundred forty-five thousand, three hundred thirty-two".