396016129 has 2 divisors, whose sum is σ = 396016130. Its totient is φ = 396016128.

The previous prime is 396016081. The next prime is 396016133. The reversal of 396016129 is 921610693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 336649104 + 59367025 = 18348^2 + 7705^2 .

It is a cyclic number.

It is not a de Polignac number, because 396016129 - 2¹⁹ = 395491841 is a prime.

It is not a weakly prime, because it can be changed into another prime (396016189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198008064 + 198008065.

It is an arithmetic number, because the mean of its divisors is an integer number (198008065).

Almost surely, 2^396016129 is an apocalyptic number.

It is an amenable number.

396016129 is a deficient number, since it is larger than the sum of its proper divisors (1).

396016129 is an equidigital number, since it uses as much as digits as its factorization.

396016129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 396016129 is about 19900.1539943790. The cubic root of 396016129 is about 734.3520159374.

The spelling of 396016129 in words is "three hundred ninety-six million, sixteen thousand, one hundred twenty-nine".