396473971 has 2 divisors, whose sum is σ = 396473972. Its totient is φ = 396473970.

The previous prime is 396473899. The next prime is 396474049. The reversal of 396473971 is 179374693.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 396473971 - 2²¹ = 394376819 is a prime.

It is not a weakly prime, because it can be changed into another prime (396473771) 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, 198236985 + 198236986.

It is an arithmetic number, because the mean of its divisors is an integer number (198236986).

Almost surely, 2^396473971 is an apocalyptic number.

396473971 is a deficient number, since it is larger than the sum of its proper divisors (1).

396473971 is an equidigital number, since it uses as much as digits as its factorization.

396473971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 857304, while the sum is 49.

The square root of 396473971 is about 19911.6541502709. The cubic root of 396473971 is about 734.6349065279.

The spelling of 396473971 in words is "three hundred ninety-six million, four hundred seventy-three thousand, nine hundred seventy-one".