404321002 has 32 divisors (see below), whose sum is σ = 656916480. Its totient is φ = 186149040.

The previous prime is 404320999. The next prime is 404321009. The reversal of 404321002 is 200123404.

It is not an unprimeable number, because it can be changed into a prime (404321009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138999 + ... + 141877.

It is an arithmetic number, because the mean of its divisors is an integer number (20528640).

Almost surely, 2^404321002 is an apocalyptic number.

404321002 is a deficient number, since it is larger than the sum of its proper divisors (252595478).

404321002 is a wasteful number, since it uses less digits than its factorization.

404321002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 404321002 is about 20107.7348798914. The cubic root of 404321002 is about 739.4499211248.

Adding to 404321002 its reverse (200123404), we get a palindrome (604444406).

The spelling of 404321002 in words is "four hundred four million, three hundred twenty-one thousand, two".