396895157 has 2 divisors, whose sum is σ = 396895158. Its totient is φ = 396895156.

The previous prime is 396895151. The next prime is 396895159. The reversal of 396895157 is 751598693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 366875716 + 30019441 = 19154^2 + 5479^2 .

It is a cyclic number.

It is not a de Polignac number, because 396895157 - 2²² = 392700853 is a prime.

Together with 396895159, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 396895099 and 396895108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396895151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198447578 + 198447579.

It is an arithmetic number, because the mean of its divisors is an integer number (198447579).

Almost surely, 2^396895157 is an apocalyptic number.

It is an amenable number.

396895157 is a deficient number, since it is larger than the sum of its proper divisors (1).

396895157 is an equidigital number, since it uses as much as digits as its factorization.

396895157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2041200, while the sum is 53.

The square root of 396895157 is about 19922.2277117796. The cubic root of 396895157 is about 734.8949559107.

The spelling of 396895157 in words is "three hundred ninety-six million, eight hundred ninety-five thousand, one hundred fifty-seven".