328673047 has 2 divisors, whose sum is σ = 328673048. Its totient is φ = 328673046.

The previous prime is 328673003. The next prime is 328673113. The reversal of 328673047 is 740376823.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 328673047 - 2⁷ = 328672919 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 (328673347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164336523 + 164336524.

It is an arithmetic number, because the mean of its divisors is an integer number (164336524).

Almost surely, 2^328673047 is an apocalyptic number.

328673047 is a deficient number, since it is larger than the sum of its proper divisors (1).

328673047 is an equidigital number, since it uses as much as digits as its factorization.

328673047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 328673047 is about 18129.3421557430. The cubic root of 328673047 is about 690.1148356094.

The spelling of 328673047 in words is "three hundred twenty-eight million, six hundred seventy-three thousand, forty-seven".