328990484237 has 8 divisors (see below), whose sum is σ = 329899976376. Its totient is φ = 328082211072.

The previous prime is 328990484219. The next prime is 328990484287. The reversal of 328990484237 is 732484099823.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25660515721 + 303329968516 = 160189^2 + 550754^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328990484237 is a prime.

It is a super-3 number, since 3×328990484237³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328990484287) 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 7 ways as a sum of consecutive naturals, for example, 237113 + ... + 845105.

It is an arithmetic number, because the mean of its divisors is an integer number (41237497047).

Almost surely, 2^328990484237 is an apocalyptic number.

It is an amenable number.

328990484237 is a deficient number, since it is larger than the sum of its proper divisors (909492139).

328990484237 is an equidigital number, since it uses as much as digits as its factorization.

328990484237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609487.

The product of its (nonzero) digits is 20901888, while the sum is 59.

The spelling of 328990484237 in words is "three hundred twenty-eight billion, nine hundred ninety million, four hundred eighty-four thousand, two hundred thirty-seven".