409603 has 8 divisors (see below), whose sum is σ = 430976. Its totient is φ = 388800.

The previous prime is 409597. The next prime is 409609. The reversal of 409603 is 306904.

It is an interprime number because it is at equal distance from previous prime (409597) and next prime (409609).

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

It is a cyclic number.

It is not a de Polignac number, because 409603 - 2¹³ = 401411 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (409609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2173 + ... + 2353.

It is an arithmetic number, because the mean of its divisors is an integer number (53872).

2⁴⁰⁹⁶⁰³ is an apocalyptic number.

409603 is a deficient number, since it is larger than the sum of its proper divisors (21373).

409603 is a wasteful number, since it uses less digits than its factorization.

409603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 409603 is about 640.0023437457. The cubic root of 409603 is about 74.2656026494.

The spelling of 409603 in words is "four hundred nine thousand, six hundred three".