396003 has 4 divisors (see below), whose sum is σ = 528008. Its totient is φ = 264000.

The previous prime is 396001. The next prime is 396029. The reversal of 396003 is 300693.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 396003 - 2¹ = 396001 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65998 + ... + 66003.

It is an arithmetic number, because the mean of its divisors is an integer number (132002).

2³⁹⁶⁰⁰³ is an apocalyptic number.

396003 is a deficient number, since it is larger than the sum of its proper divisors (132005).

396003 is a wasteful number, since it uses less digits than its factorization.

396003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132004.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 396003 is about 629.2876925540. The cubic root of 396003 is about 73.4343900599.

Adding to 396003 its reverse (300693), we get a palindrome (696696).

The spelling of 396003 in words is "three hundred ninety-six thousand, three".