328949 has 4 divisors (see below), whose sum is σ = 330720. Its totient is φ = 327180.

The previous prime is 328931. The next prime is 328961. The reversal of 328949 is 949823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 328949.

It is not an unprimeable number, because it can be changed into a prime (328919) 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, 569 + ... + 990.

It is an arithmetic number, because the mean of its divisors is an integer number (82680).

2³²⁸⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

328949 is a deficient number, since it is larger than the sum of its proper divisors (1771).

328949 is a wasteful number, since it uses less digits than its factorization.

328949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770.

The product of its digits is 15552, while the sum is 35.

The square root of 328949 is about 573.5407570522. The cubic root of 328949 is about 69.0307921097.

It can be divided in two parts, 3289 and 49, that multiplied together give a palindrome (161161).

The spelling of 328949 in words is "three hundred twenty-eight thousand, nine hundred forty-nine".