396629 has 2 divisors, whose sum is σ = 396630. Its totient is φ = 396628.

The previous prime is 396623. The next prime is 396631. The reversal of 396629 is 926693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 362404 + 34225 = 602^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 396629 - 2⁸ = 396373 is a prime.

Together with 396631, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198314 + 198315.

It is an arithmetic number, because the mean of its divisors is an integer number (198315).

2³⁹⁶⁶²⁹ is an apocalyptic number.

It is an amenable number.

396629 is a deficient number, since it is larger than the sum of its proper divisors (1).

396629 is an equidigital number, since it uses as much as digits as its factorization.

396629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 35.

The square root of 396629 is about 629.7848839088. The cubic root of 396629 is about 73.4730646208.

The spelling of 396629 in words is "three hundred ninety-six thousand, six hundred twenty-nine".