396862897 has 2 divisors, whose sum is σ = 396862898. Its totient is φ = 396862896.

The previous prime is 396862847. The next prime is 396862919. The reversal of 396862897 is 798268693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 378535936 + 18326961 = 19456^2 + 4281^2 .

It is a cyclic number.

It is not a de Polignac number, because 396862897 - 2¹⁵ = 396830129 is a prime.

It is not a weakly prime, because it can be changed into another prime (396862847) 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, 198431448 + 198431449.

It is an arithmetic number, because the mean of its divisors is an integer number (198431449).

Almost surely, 2^396862897 is an apocalyptic number.

It is an amenable number.

396862897 is a deficient number, since it is larger than the sum of its proper divisors (1).

396862897 is an equidigital number, since it uses as much as digits as its factorization.

396862897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7838208, while the sum is 58.

The square root of 396862897 is about 19921.4180469162. The cubic root of 396862897 is about 734.8750443940.

The spelling of 396862897 in words is "three hundred ninety-six million, eight hundred sixty-two thousand, eight hundred ninety-seven".