69328 has 20 divisors (see below), whose sum is σ = 153760. Its totient is φ = 29664.

The previous prime is 69317. The next prime is 69337. The reversal of 69328 is 82396.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 69296 and 69305.

It is a congruent number.

It is an unprimeable number.

69328 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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198 + ... + 421.

It is an arithmetic number, because the mean of its divisors is an integer number (7688).

2⁶⁹³²⁸ is an apocalyptic number.

It is an amenable number.

69328 is an abundant number, since it is smaller than the sum of its proper divisors (84432).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76880).

69328 is a wasteful number, since it uses less digits than its factorization.

69328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 628 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 69328 is about 263.3021078533. The cubic root of 69328 is about 41.0805475836.

The spelling of 69328 in words is "sixty-nine thousand, three hundred twenty-eight".