304689946 has 32 divisors (see below), whose sum is σ = 531800640. Its totient is φ = 129388800.

The previous prime is 304689919. The next prime is 304689949. The reversal of 304689946 is 649986403.

It is a self number, because there is not a number n which added to its sum of digits gives 304689946.

It is not an unprimeable number, because it can be changed into a prime (304689949) 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, 49056 + ... + 54916.

It is an arithmetic number, because the mean of its divisors is an integer number (16618770).

Almost surely, 2^304689946 is an apocalyptic number.

304689946 is a deficient number, since it is larger than the sum of its proper divisors (227110694).

304689946 is a wasteful number, since it uses less digits than its factorization.

304689946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6030.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The square root of 304689946 is about 17455.3701192498. The cubic root of 304689946 is about 672.9033771677.

The spelling of 304689946 in words is "three hundred four million, six hundred eighty-nine thousand, nine hundred forty-six".