404213303 has 8 divisors (see below), whose sum is σ = 439534368. Its totient is φ = 369496224.

The previous prime is 404213297. The next prime is 404213321. The reversal of 404213303 is 303312404.

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 404213303 - 2¹² = 404209207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404213323) 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, 149600 + ... + 152277.

It is an arithmetic number, because the mean of its divisors is an integer number (54941796).

Almost surely, 2^404213303 is an apocalyptic number.

404213303 is a deficient number, since it is larger than the sum of its proper divisors (35321065).

404213303 is a wasteful number, since it uses less digits than its factorization.

404213303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301993.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 404213303 is about 20105.0566524942. The cubic root of 404213303 is about 739.3842595269.

Adding to 404213303 its reverse (303312404), we get a palindrome (707525707).

The spelling of 404213303 in words is "four hundred four million, two hundred thirteen thousand, three hundred three".