396623 has 2 divisors, whose sum is σ = 396624. Its totient is φ = 396622.

The previous prime is 396619. The next prime is 396629. The reversal of 396623 is 326693.

It is a weak prime.

It is an emirp because it is prime and its reverse (326693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 396623 - 2² = 396619 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198311 + 198312.

It is an arithmetic number, because the mean of its divisors is an integer number (198312).

2³⁹⁶⁶²³ is an apocalyptic number.

396623 is a deficient number, since it is larger than the sum of its proper divisors (1).

396623 is an equidigital number, since it uses as much as digits as its factorization.

396623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 29.

The square root of 396623 is about 629.7801203595. The cubic root of 396623 is about 73.4726941313.

The spelling of 396623 in words is "three hundred ninety-six thousand, six hundred twenty-three".