326681433 has 24 divisors (see below), whose sum is σ = 525699720. Its totient is φ = 194100480.

The previous prime is 326681431. The next prime is 326681447. The reversal of 326681433 is 334186623.

It can be written as a sum of positive squares in 4 ways, for example, as 11370384 + 315311049 = 3372^2 + 17757^2 .

It is not a de Polignac number, because 326681433 - 2¹ = 326681431 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (326681431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44748 + ... + 51533.

It is an arithmetic number, because the mean of its divisors is an integer number (21904155).

Almost surely, 2^326681433 is an apocalyptic number.

It is an amenable number.

326681433 is a deficient number, since it is larger than the sum of its proper divisors (199018287).

326681433 is a wasteful number, since it uses less digits than its factorization.

326681433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96329 (or 96326 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 326681433 is about 18074.3307759928. The cubic root of 326681433 is about 688.7180798401.

The spelling of 326681433 in words is "three hundred twenty-six million, six hundred eighty-one thousand, four hundred thirty-three".