304340402 has 8 divisors (see below), whose sum is σ = 457042176. Its totient is φ = 151993012.

The previous prime is 304340359. The next prime is 304340419. The reversal of 304340402 is 204043403.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86438 + ... + 89889.

It is an arithmetic number, because the mean of its divisors is an integer number (57130272).

Almost surely, 2^304340402 is an apocalyptic number.

304340402 is a deficient number, since it is larger than the sum of its proper divisors (152701774).

304340402 is a wasteful number, since it uses less digits than its factorization.

304340402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177192.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 304340402 is about 17445.3547398727. The cubic root of 304340402 is about 672.6459577336.

Adding to 304340402 its reverse (204043403), we get a palindrome (508383805).

The spelling of 304340402 in words is "three hundred four million, three hundred forty thousand, four hundred two".