326964129 has 4 divisors (see below), whose sum is σ = 435952176. Its totient is φ = 217976084.

The previous prime is 326964119. The next prime is 326964137. The reversal of 326964129 is 921469623.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 921469623 = 3 ⋅307156541.

It is a cyclic number.

It is not a de Polignac number, because 326964129 - 2⁵ = 326964097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (326964109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54494019 + ... + 54494024.

It is an arithmetic number, because the mean of its divisors is an integer number (108988044).

Almost surely, 2^326964129 is an apocalyptic number.

It is an amenable number.

326964129 is a deficient number, since it is larger than the sum of its proper divisors (108988047).

326964129 is a wasteful number, since it uses less digits than its factorization.

326964129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108988046.

The product of its digits is 139968, while the sum is 42.

The square root of 326964129 is about 18082.1494574069. The cubic root of 326964129 is about 688.9166848547.

The spelling of 326964129 in words is "three hundred twenty-six million, nine hundred sixty-four thousand, one hundred twenty-nine".