326664434 has 4 divisors (see below), whose sum is σ = 489996654. Its totient is φ = 163332216.

The previous prime is 326664433. The next prime is 326664451. The reversal of 326664434 is 434466623.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 325694209 + 970225 = 18047^2 + 985^2 .

It is not an unprimeable number, because it can be changed into a prime (326664433) 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 as a sum of consecutive naturals, namely, 81666107 + ... + 81666110.

Almost surely, 2^326664434 is an apocalyptic number.

326664434 is a deficient number, since it is larger than the sum of its proper divisors (163332220).

326664434 is a wasteful number, since it uses less digits than its factorization.

326664434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163332219.

The product of its digits is 248832, while the sum is 38.

The square root of 326664434 is about 18073.8605173328. The cubic root of 326664434 is about 688.7061337253.

The spelling of 326664434 in words is "three hundred twenty-six million, six hundred sixty-four thousand, four hundred thirty-four".