328890237 has 16 divisors (see below), whose sum is σ = 477126720. Its totient is φ = 200305152.

The previous prime is 328890217. The next prime is 328890241. The reversal of 328890237 is 732098823.

It is not a de Polignac number, because 328890237 - 2⁶ = 328890173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328890217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39687 + ... + 47252.

It is an arithmetic number, because the mean of its divisors is an integer number (29820420).

Almost surely, 2^328890237 is an apocalyptic number.

It is an amenable number.

328890237 is a deficient number, since it is larger than the sum of its proper divisors (148236483).

328890237 is a wasteful number, since it uses less digits than its factorization.

328890237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87052.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 328890237 is about 18135.3311797717. The cubic root of 328890237 is about 690.2668134278.

The spelling of 328890237 in words is "three hundred twenty-eight million, eight hundred ninety thousand, two hundred thirty-seven".