439895148 has 144 divisors (see below), whose sum is σ = 1359638784. Its totient is φ = 109253760.

The previous prime is 439895119. The next prime is 439895149. The reversal of 439895148 is 841598934.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 439895148.

It is not an unprimeable number, because it can be changed into a prime (439895149) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 147286 + ... + 150242.

It is an arithmetic number, because the mean of its divisors is an integer number (9441936).

Almost surely, 2^439895148 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 439895148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (679819392).

439895148 is an abundant number, since it is smaller than the sum of its proper divisors (919743636).

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

439895148 is a wasteful number, since it uses less digits than its factorization.

439895148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012 (or 3003 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The square root of 439895148 is about 20973.6775030036. The cubic root of 439895148 is about 760.5300711145.

The spelling of 439895148 in words is "four hundred thirty-nine million, eight hundred ninety-five thousand, one hundred forty-eight".