326665332 has 48 divisors (see below), whose sum is σ = 967899520. Its totient is φ = 93332736.

The previous prime is 326665331. The next prime is 326665337. The reversal of 326665332 is 233566623.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326665331) 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 15 ways as a sum of consecutive naturals, for example, 215293 + ... + 216804.

Almost surely, 2^326665332 is an apocalyptic number.

It is an amenable number.

326665332 is an abundant number, since it is smaller than the sum of its proper divisors (641234188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

326665332 is a wasteful number, since it uses less digits than its factorization.

326665332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432117 (or 432109 counting only the distinct ones).

The product of its digits is 116640, while the sum is 36.

The square root of 326665332 is about 18073.8853598223. The cubic root of 326665332 is about 688.7067648088.

The spelling of 326665332 in words is "three hundred twenty-six million, six hundred sixty-five thousand, three hundred thirty-two".