396462089 has 2 divisors, whose sum is σ = 396462090. Its totient is φ = 396462088.

The previous prime is 396462029. The next prime is 396462091. The reversal of 396462089 is 980264693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 395214400 + 1247689 = 19880^2 + 1117^2 .

It is a cyclic number.

It is not a de Polignac number, because 396462089 - 2²⁴ = 379684873 is a prime.

Together with 396462091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (396462019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198231044 + 198231045.

It is an arithmetic number, because the mean of its divisors is an integer number (198231045).

Almost surely, 2^396462089 is an apocalyptic number.

It is an amenable number.

396462089 is a deficient number, since it is larger than the sum of its proper divisors (1).

396462089 is an equidigital number, since it uses as much as digits as its factorization.

396462089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 396462089 is about 19911.3557800568. The cubic root of 396462089 is about 734.6275676525.

The spelling of 396462089 in words is "three hundred ninety-six million, four hundred sixty-two thousand, eighty-nine".