402304004 has 12 divisors (see below), whose sum is σ = 704406528. Its totient is φ = 201045000.

The previous prime is 402304003. The next prime is 402304051. The reversal of 402304004 is 400403204.

It is not an unprimeable number, because it can be changed into a prime (402304003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17972 + ... + 33579.

It is an arithmetic number, because the mean of its divisors is an integer number (58700544).

Almost surely, 2^402304004 is an apocalyptic number.

It is an amenable number.

402304004 is a deficient number, since it is larger than the sum of its proper divisors (302102524).

402304004 is a wasteful number, since it uses less digits than its factorization.

402304004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53506 (or 53504 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 402304004 is about 20057.5173937354. The cubic root of 402304004 is about 738.2182627659.

Adding to 402304004 its reverse (400403204), we get a palindrome (802707208).

The spelling of 402304004 in words is "four hundred two million, three hundred four thousand, four".