402204403 has 8 divisors (see below), whose sum is σ = 406194768. Its totient is φ = 398221824.

The previous prime is 402204373. The next prime is 402204419. The reversal of 402204403 is 304402204.

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 402204403 - 2⁵ = 402204371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402204443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199800 + ... + 201802.

It is an arithmetic number, because the mean of its divisors is an integer number (50774346).

Almost surely, 2^402204403 is an apocalyptic number.

402204403 is a deficient number, since it is larger than the sum of its proper divisors (3990365).

402204403 is a wasteful number, since it uses less digits than its factorization.

402204403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3893.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 402204403 is about 20055.0343554929. The cubic root of 402204403 is about 738.1573359169.

Adding to 402204403 its reverse (304402204), we get a palindrome (706606607).

The spelling of 402204403 in words is "four hundred two million, two hundred four thousand, four hundred three".