328247 has 4 divisors (see below), whose sum is σ = 330600. Its totient is φ = 325896.

The previous prime is 328243. The next prime is 328249. The reversal of 328247 is 742823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 742823 = 127 ⋅5849.

It is a cyclic number.

It is not a de Polignac number, because 328247 - 2² = 328243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328243) 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, 953 + ... + 1250.

It is an arithmetic number, because the mean of its divisors is an integer number (82650).

2³²⁸²⁴⁷ is an apocalyptic number.

328247 is a deficient number, since it is larger than the sum of its proper divisors (2353).

328247 is a wasteful number, since it uses less digits than its factorization.

328247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352.

The product of its digits is 2688, while the sum is 26.

The square root of 328247 is about 572.9284423032. The cubic root of 328247 is about 68.9816516360.

It can be divided in two parts, 328 and 247, that added together give a palindrome (575).

The spelling of 328247 in words is "three hundred twenty-eight thousand, two hundred forty-seven".