326997285 has 8 divisors (see below), whose sum is σ = 523195680. Its totient is φ = 174398544.

The previous prime is 326997211. The next prime is 326997287. The reversal of 326997285 is 582799623.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 326997285 - 2¹⁰ = 326996261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326997287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10899895 + ... + 10899924.

It is an arithmetic number, because the mean of its divisors is an integer number (65399460).

Almost surely, 2^326997285 is an apocalyptic number.

It is an amenable number.

326997285 is a deficient number, since it is larger than the sum of its proper divisors (196198395).

326997285 is a wasteful number, since it uses less digits than its factorization.

326997285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21799827.

The product of its digits is 1632960, while the sum is 51.

The square root of 326997285 is about 18083.0662499478. The cubic root of 326997285 is about 688.9399707419.

The spelling of 326997285 in words is "three hundred twenty-six million, nine hundred ninety-seven thousand, two hundred eighty-five".