328693 has 8 divisors (see below), whose sum is σ = 354816. Its totient is φ = 303600.

The previous prime is 328687. The next prime is 328709. The reversal of 328693 is 396823.

It is a happy number.

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

It is not a de Polignac number, because 328693 - 2¹⁷ = 197621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483 + ... + 943.

It is an arithmetic number, because the mean of its divisors is an integer number (44352).

328693 is a Friedman number, since it can be written as 69^3+23*8, using all its digits and the basic arithmetic operations.

2³²⁸⁶⁹³ is an apocalyptic number.

It is an amenable number.

328693 is a deficient number, since it is larger than the sum of its proper divisors (26123).

328693 is a wasteful number, since it uses less digits than its factorization.

328693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515.

The product of its digits is 7776, while the sum is 31.

The square root of 328693 is about 573.3175385421. The cubic root of 328693 is about 69.0128800432.

The spelling of 328693 in words is "three hundred twenty-eight thousand, six hundred ninety-three".