326870447 has 2 divisors, whose sum is σ = 326870448. Its totient is φ = 326870446.

The previous prime is 326870419. The next prime is 326870473. The reversal of 326870447 is 744078623.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 326870447 - 2¹⁶ = 326804911 is a prime.

It is a super-3 number, since 3×326870447³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326875447) 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 as a sum of consecutive naturals, namely, 163435223 + 163435224.

It is an arithmetic number, because the mean of its divisors is an integer number (163435224).

Almost surely, 2^326870447 is an apocalyptic number.

326870447 is a deficient number, since it is larger than the sum of its proper divisors (1).

326870447 is an equidigital number, since it uses as much as digits as its factorization.

326870447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 326870447 is about 18079.5588165198. The cubic root of 326870447 is about 688.8508822665.

The spelling of 326870447 in words is "three hundred twenty-six million, eight hundred seventy thousand, four hundred forty-seven".