439022148 has 12 divisors (see below), whose sum is σ = 1024385040. Its totient is φ = 146340712.

The previous prime is 439022147. The next prime is 439022149. The reversal of 439022148 is 841220934.

It is an interprime number because it is at equal distance from previous prime (439022147) and next prime (439022149).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (439022141) 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 3 ways as a sum of consecutive naturals, for example, 18292578 + ... + 18292601.

It is an arithmetic number, because the mean of its divisors is an integer number (85365420).

Almost surely, 2^439022148 is an apocalyptic number.

It is an amenable number.

439022148 is an abundant number, since it is smaller than the sum of its proper divisors (585362892).

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

439022148 is a wasteful number, since it uses less digits than its factorization.

439022148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36585186 (or 36585184 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 439022148 is about 20952.8553662741. The cubic root of 439022148 is about 760.0266311074.

The spelling of 439022148 in words is "four hundred thirty-nine million, twenty-two thousand, one hundred forty-eight".