404322004 has 6 divisors (see below), whose sum is σ = 707563514. Its totient is φ = 202161000.

The previous prime is 404321987. The next prime is 404322007. The reversal of 404322004 is 400223404.

It can be written as a sum of positive squares in only one way, i.e., 384944400 + 19377604 = 19620^2 + 4402^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404322007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50540247 + ... + 50540254.

Almost surely, 2^404322004 is an apocalyptic number.

It is an amenable number.

404322004 is a deficient number, since it is larger than the sum of its proper divisors (303241510).

404322004 is a wasteful number, since it uses less digits than its factorization.

404322004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101080505 (or 101080503 counting only the distinct ones).

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

The square root of 404322004 is about 20107.7597956610. The cubic root of 404322004 is about 739.4505319664.

Adding to 404322004 its reverse (400223404), we get a palindrome (804545408).

It can be divided in two parts, 40432 and 2004, that added together give a square (42436 = 206²).

The spelling of 404322004 in words is "four hundred four million, three hundred twenty-two thousand, four".