396603 has 16 divisors (see below), whose sum is σ = 604960. Its totient is φ = 256608.

The previous prime is 396601. The next prime is 396619. The reversal of 396603 is 306693.

It is not a de Polignac number, because 396603 - 2¹ = 396601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396601) 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, 801 + ... + 1197.

It is an arithmetic number, because the mean of its divisors is an integer number (37810).

2³⁹⁶⁶⁰³ is an apocalyptic number.

396603 is a deficient number, since it is larger than the sum of its proper divisors (208357).

396603 is a wasteful number, since it uses less digits than its factorization.

396603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 396603 is about 629.7642416016. The cubic root of 396603 is about 73.4714591394.

It can be divided in two parts, 396 and 603, that added together give a palindrome (999).

The spelling of 396603 in words is "three hundred ninety-six thousand, six hundred three".