128344 has 16 divisors (see below), whose sum is σ = 245520. Its totient is φ = 62880.

The previous prime is 128341. The next prime is 128347. The reversal of 128344 is 443821.

It is an interprime number because it is at equal distance from previous prime (128341) and next prime (128347).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357 + ... + 619.

It is an arithmetic number, because the mean of its divisors is an integer number (15345).

2¹²⁸³⁴⁴ is an apocalyptic number.

It is an amenable number.

128344 is a deficient number, since it is larger than the sum of its proper divisors (117176).

128344 is a wasteful number, since it uses less digits than its factorization.

128344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 326 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 128344 is about 358.2513084414. The cubic root of 128344 is about 50.4419487827.

It can be divided in two parts, 12 and 8344, that multiplied together give a triangular number (100128 = T₄₄₇).

The spelling of 128344 in words is "one hundred twenty-eight thousand, three hundred forty-four".