328783 has 8 divisors (see below), whose sum is σ = 404768. Its totient is φ = 260064.

The previous prime is 328781. The next prime is 328787. The reversal of 328783 is 387823.

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

It is not a de Polignac number, because 328783 - 2¹ = 328781 is a prime.

It is a super-2 number, since 2×328783² = 216196522178, which contains 22 as substring.

328783 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328781) 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, 1716 + ... + 1897.

It is an arithmetic number, because the mean of its divisors is an integer number (50596).

2³²⁸⁷⁸³ is an apocalyptic number.

328783 is a deficient number, since it is larger than the sum of its proper divisors (75985).

328783 is a wasteful number, since it uses less digits than its factorization.

328783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3633.

The product of its digits is 8064, while the sum is 31.

The square root of 328783 is about 573.3960237044. The cubic root of 328783 is about 69.0191783139.

It can be divided in two parts, 328 and 783, that added together give a palindrome (1111).

The spelling of 328783 in words is "three hundred twenty-eight thousand, seven hundred eighty-three".