328057 has 4 divisors (see below), whose sum is σ = 329616. Its totient is φ = 326500.

The previous prime is 328051. The next prime is 328061. The reversal of 328057 is 750823.

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-328057 is a prime.

It is a d-powerful number, because it can be written as 3² + 2¹⁶ + 0 + 8⁶ + 5² + 7³ .

It is a Duffinian number.

328057 is a lucky number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (328051) 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, 403 + ... + 904.

It is an arithmetic number, because the mean of its divisors is an integer number (82404).

2³²⁸⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

328057 is a deficient number, since it is larger than the sum of its proper divisors (1559).

328057 is a wasteful number, since it uses less digits than its factorization.

328057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 328057 is about 572.7626035278. The cubic root of 328057 is about 68.9683394621.

The spelling of 328057 in words is "three hundred twenty-eight thousand, fifty-seven".