396486161 has 2 divisors, whose sum is σ = 396486162. Its totient is φ = 396486160.

The previous prime is 396486143. The next prime is 396486193. The reversal of 396486161 is 161684693.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321126400 + 75359761 = 17920^2 + 8681^2 .

It is a cyclic number.

It is not a de Polignac number, because 396486161 - 2²² = 392291857 is a prime.

It is not a weakly prime, because it can be changed into another prime (396486061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198243080 + 198243081.

It is an arithmetic number, because the mean of its divisors is an integer number (198243081).

Almost surely, 2^396486161 is an apocalyptic number.

It is an amenable number.

396486161 is a deficient number, since it is larger than the sum of its proper divisors (1).

396486161 is an equidigital number, since it uses as much as digits as its factorization.

396486161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 44.

The square root of 396486161 is about 19911.9602500608. The cubic root of 396486161 is about 734.6424354860.

The spelling of 396486161 in words is "three hundred ninety-six million, four hundred eighty-six thousand, one hundred sixty-one".