408003 has 8 divisors (see below), whose sum is σ = 547008. Its totient is φ = 270504.

The previous prime is 407993. The next prime is 408011. The reversal of 408003 is 300804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 408003 - 2⁵ = 407971 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (408203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700 + ... + 1142.

It is an arithmetic number, because the mean of its divisors is an integer number (68376).

2⁴⁰⁸⁰⁰³ is an apocalyptic number.

408003 is a deficient number, since it is larger than the sum of its proper divisors (139005).

408003 is a wasteful number, since it uses less digits than its factorization.

408003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 408003 is about 638.7511252436. The cubic root of 408003 is about 74.1687771707.

Adding to 408003 its reverse (300804), we get a palindrome (708807).

The spelling of 408003 in words is "four hundred eight thousand, three".