439034928 has 60 divisors (see below), whose sum is σ = 1204852200. Its totient is φ = 137732096.

The previous prime is 439034923. The next prime is 439034951. The reversal of 439034928 is 829430934.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 439034928.

It is not an unprimeable number, because it can be changed into a prime (439034923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1953 + ... + 29696.

It is an arithmetic number, because the mean of its divisors is an integer number (20080870).

Almost surely, 2^439034928 is an apocalyptic number.

439034928 is a gapful number since it is divisible by the number (48) 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 439034928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602426100).

439034928 is an abundant number, since it is smaller than the sum of its proper divisors (765817272).

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

439034928 is a wasteful number, since it uses less digits than its factorization.

439034928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31694 (or 31671 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 439034928 is about 20953.1603344221. The cubic root of 439034928 is about 760.0340058653.

The spelling of 439034928 in words is "four hundred thirty-nine million, thirty-four thousand, nine hundred twenty-eight".