328999753 has 6 divisors (see below), whose sum is σ = 334674074. Its totient is φ = 323420064.

The previous prime is 328999733. The next prime is 328999757. The reversal of 328999753 is 357999823.

It can be written as a sum of positive squares in only one way, i.e., 319587129 + 9412624 = 17877^2 + 3068^2 .

It is not a de Polignac number, because 328999753 - 2²⁵ = 295445321 is a prime.

It is a super-2 number, since 2×328999753² = 216481674948122018, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 328999694 and 328999703.

It is not an unprimeable number, because it can be changed into a prime (328999757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43776 + ... + 50737.

Almost surely, 2^328999753 is an apocalyptic number.

It is an amenable number.

328999753 is a deficient number, since it is larger than the sum of its proper divisors (5674321).

328999753 is an frugal number, since it uses more digits than its factorization.

328999753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94631 (or 94572 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 55.

The square root of 328999753 is about 18138.3503384404. The cubic root of 328999753 is about 690.3434214292.

The spelling of 328999753 in words is "three hundred twenty-eight million, nine hundred ninety-nine thousand, seven hundred fifty-three".