128346 has 8 divisors (see below), whose sum is σ = 256704. Its totient is φ = 42780.

The previous prime is 128341. The next prime is 128347. The reversal of 128346 is 643821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

128346 is an admirable number.

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

128346 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 3 ways as a sum of consecutive naturals, for example, 10690 + ... + 10701.

It is an arithmetic number, because the mean of its divisors is an integer number (32088).

2¹²⁸³⁴⁶ is an apocalyptic number.

128346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

128346 is a wasteful number, since it uses less digits than its factorization.

128346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21396.

The product of its digits is 1152, while the sum is 24.

The square root of 128346 is about 358.2540997672. The cubic root of 128346 is about 50.4422107956.

It can be divided in two parts, 128 and 346, that added together give a palindrome (474).

The spelling of 128346 in words is "one hundred twenty-eight thousand, three hundred forty-six".