8739444 has 72 divisors (see below), whose sum is σ = 24131520. Its totient is φ = 2454144.

The previous prime is 8739433. The next prime is 8739463. The reversal of 8739444 is 4449378.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 52249 + ... + 52415.

It is an arithmetic number, because the mean of its divisors is an integer number (335160).

Almost surely, 2^8739444 is an apocalyptic number.

8739444 is a gapful number since it is divisible by the number (84) 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 8739444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12065760).

8739444 is an abundant number, since it is smaller than the sum of its proper divisors (15392076).

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

8739444 is a wasteful number, since it uses less digits than its factorization.

8739444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 268 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 8739444 is about 2956.2550634206. The cubic root of 8739444 is about 205.9813663354.

The spelling of 8739444 in words is "eight million, seven hundred thirty-nine thousand, four hundred forty-four".