326959641 has 12 divisors (see below), whose sum is σ = 472540068. Its totient is φ = 217850784.

The previous prime is 326959637. The next prime is 326959643. The reversal of 326959641 is 146959623.

It can be written as a sum of positive squares in 2 ways, for example, as 77951241 + 249008400 = 8829^2 + 15780^2 .

It is not a de Polignac number, because 326959641 - 2² = 326959637 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (326959643) 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 11 ways as a sum of consecutive naturals, for example, 8551 + ... + 26963.

It is an arithmetic number, because the mean of its divisors is an integer number (39378339).

Almost surely, 2^326959641 is an apocalyptic number.

It is an amenable number.

326959641 is a deficient number, since it is larger than the sum of its proper divisors (145580427).

326959641 is a wasteful number, since it uses less digits than its factorization.

326959641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20392 (or 20389 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 326959641 is about 18082.0253566905. The cubic root of 326959641 is about 688.9135327533.

The spelling of 326959641 in words is "three hundred twenty-six million, nine hundred fifty-nine thousand, six hundred forty-one".