396523 has 2 divisors, whose sum is σ = 396524. Its totient is φ = 396522.

The previous prime is 396509. The next prime is 396527. The reversal of 396523 is 325693.

It is a strong prime.

It is an emirp because it is prime and its reverse (325693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 396523 - 2¹⁷ = 265451 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 396491 and 396500.

It is not a weakly prime, because it can be changed into another prime (396527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198261 + 198262.

It is an arithmetic number, because the mean of its divisors is an integer number (198262).

2³⁹⁶⁵²³ is an apocalyptic number.

396523 is a deficient number, since it is larger than the sum of its proper divisors (1).

396523 is an equidigital number, since it uses as much as digits as its factorization.

396523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 28.

The square root of 396523 is about 629.7007225659. The cubic root of 396523 is about 73.4665187566.

Subtracting from 396523 its sum of digits (28), we obtain a triangular number (396495 = T₈₉₀).

It can be divided in two parts, 396 and 523, that added together give a palindrome (919).

The spelling of 396523 in words is "three hundred ninety-six thousand, five hundred twenty-three".