404603 has 4 divisors (see below), whose sum is σ = 406368. Its totient is φ = 402840.

The previous prime is 404597. The next prime is 404671. The reversal of 404603 is 306404.

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

It is a cyclic number.

It is not a de Polignac number, because 404603 - 2⁶ = 404539 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (404693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476 + ... + 1017.

It is an arithmetic number, because the mean of its divisors is an integer number (101592).

2⁴⁰⁴⁶⁰³ is an apocalyptic number.

404603 is a deficient number, since it is larger than the sum of its proper divisors (1765).

404603 is a wasteful number, since it uses less digits than its factorization.

404603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 404603 is about 636.0841139346. The cubic root of 404603 is about 73.9621793587.

The spelling of 404603 in words is "four hundred four thousand, six hundred three".