326710431 has 24 divisors (see below), whose sum is σ = 485147520. Its totient is φ = 211747536.

The previous prime is 326710429. The next prime is 326710451. The reversal of 326710431 is 134017623.

It is not a de Polignac number, because 326710431 - 2¹ = 326710429 is a prime.

It is a super-2 number, since 2×326710431² = 213479411448411522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 326710395 and 326710404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326710411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85990 + ... + 89708.

It is an arithmetic number, because the mean of its divisors is an integer number (20214480).

Almost surely, 2^326710431 is an apocalyptic number.

326710431 is a deficient number, since it is larger than the sum of its proper divisors (158437089).

326710431 is a wasteful number, since it uses less digits than its factorization.

326710431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3995 (or 3992 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 326710431 is about 18075.1329455692. The cubic root of 326710431 is about 688.7384573435.

The spelling of 326710431 in words is "three hundred twenty-six million, seven hundred ten thousand, four hundred thirty-one".