304890946 has 8 divisors (see below), whose sum is σ = 458563644. Its totient is φ = 152036400.

The previous prime is 304890931. The next prime is 304890947. The reversal of 304890946 is 649098403.

It can be written as a sum of positive squares in 2 ways, for example, as 278522721 + 26368225 = 16689^2 + 5135^2 .

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

It is not an unprimeable number, because it can be changed into a prime (304890947) 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, 203605 + ... + 205096.

Almost surely, 2^304890946 is an apocalyptic number.

304890946 is a deficient number, since it is larger than the sum of its proper divisors (153672698).

304890946 is a wasteful number, since it uses less digits than its factorization.

304890946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409076.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 304890946 is about 17461.1267104961. The cubic root of 304890946 is about 673.0513131814.

The spelling of 304890946 in words is "three hundred four million, eight hundred ninety thousand, nine hundred forty-six".