404103321 has 24 divisors (see below), whose sum is σ = 615373824. Its totient is φ = 255156480.

The previous prime is 404103281. The next prime is 404103373. The reversal of 404103321 is 123301404.

It is not a de Polignac number, because 404103321 - 2¹⁰ = 404102297 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 404103294 and 404103303.

It is not an unprimeable number, because it can be changed into a prime (404103391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2296 + ... + 28521.

It is an arithmetic number, because the mean of its divisors is an integer number (25640576).

Almost surely, 2^404103321 is an apocalyptic number.

It is an amenable number.

404103321 is a deficient number, since it is larger than the sum of its proper divisors (211270503).

404103321 is a wasteful number, since it uses less digits than its factorization.

404103321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30901 (or 30898 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 404103321 is about 20102.3212838717. The cubic root of 404103321 is about 739.3171939986.

Adding to 404103321 its reverse (123301404), we get a palindrome (527404725).

The spelling of 404103321 in words is "four hundred four million, one hundred three thousand, three hundred twenty-one".