328564237 has 8 divisors (see below), whose sum is σ = 333244800. Its totient is φ = 323905824.

The previous prime is 328564231. The next prime is 328564241. The reversal of 328564237 is 732465823.

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

It is a cyclic number.

It is not a de Polignac number, because 328564237 - 2⁷ = 328564109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 328564237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328564231) 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, 25564 + ... + 36202.

It is an arithmetic number, because the mean of its divisors is an integer number (41655600).

Almost surely, 2^328564237 is an apocalyptic number.

It is an amenable number.

328564237 is a deficient number, since it is larger than the sum of its proper divisors (4680563).

328564237 is a wasteful number, since it uses less digits than its factorization.

328564237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11075.

The product of its digits is 241920, while the sum is 40.

The square root of 328564237 is about 18126.3409710840. The cubic root of 328564237 is about 690.0386710806.

The spelling of 328564237 in words is "three hundred twenty-eight million, five hundred sixty-four thousand, two hundred thirty-seven".