326442047 has 2 divisors, whose sum is σ = 326442048. Its totient is φ = 326442046.

The previous prime is 326442043. The next prime is 326442073. The reversal of 326442047 is 740244623.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 326442047 - 2² = 326442043 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326442043) 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 as a sum of consecutive naturals, namely, 163221023 + 163221024.

It is an arithmetic number, because the mean of its divisors is an integer number (163221024).

Almost surely, 2^326442047 is an apocalyptic number.

326442047 is a deficient number, since it is larger than the sum of its proper divisors (1).

326442047 is an equidigital number, since it uses as much as digits as its factorization.

326442047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 326442047 is about 18067.7072978284. The cubic root of 326442047 is about 688.5498121874.

The spelling of 326442047 in words is "three hundred twenty-six million, four hundred forty-two thousand, forty-seven".