396543 has 16 divisors (see below), whose sum is σ = 631296. Its totient is φ = 216480.

The previous prime is 396541. The next prime is 396547. The reversal of 396543 is 345693.

It is a happy number.

It is not a de Polignac number, because 396543 - 2¹ = 396541 is a prime.

It is an Ulam number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 396543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73 + ... + 893.

It is an arithmetic number, because the mean of its divisors is an integer number (39456).

2³⁹⁶⁵⁴³ is an apocalyptic number.

396543 is a deficient number, since it is larger than the sum of its proper divisors (234753).

396543 is a wasteful number, since it uses less digits than its factorization.

396543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854.

The product of its digits is 9720, while the sum is 30.

The square root of 396543 is about 629.7166029255. The cubic root of 396543 is about 73.4677539146.

It can be divided in two parts, 396 and 543, that added together give a palindrome (939).

The spelling of 396543 in words is "three hundred ninety-six thousand, five hundred forty-three".