326860331 has 12 divisors (see below), whose sum is σ = 390503808. Its totient is φ = 272592432.

The previous prime is 326860253. The next prime is 326860333. The reversal of 326860331 is 133068623.

It is not a de Polignac number, because 326860331 - 2¹⁰ = 326859307 is a prime.

It is a super-2 number, since 2×326860331² = 213675351962859122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326860333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88331 + ... + 91956.

It is an arithmetic number, because the mean of its divisors is an integer number (32541984).

Almost surely, 2^326860331 is an apocalyptic number.

326860331 is a deficient number, since it is larger than the sum of its proper divisors (63643477).

326860331 is a wasteful number, since it uses less digits than its factorization.

326860331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180338 (or 180331 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 326860331 is about 18079.2790508914. The cubic root of 326860331 is about 688.8437759981.

The spelling of 326860331 in words is "three hundred twenty-six million, eight hundred sixty thousand, three hundred thirty-one".