304504947 has 16 divisors (see below), whose sum is σ = 456832000. Its totient is φ = 200432232.

The previous prime is 304504933. The next prime is 304504957. The reversal of 304504947 is 749405403.

It is not a de Polignac number, because 304504947 - 2²⁶ = 237396083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304504927) 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, 69247 + ... + 73512.

It is an arithmetic number, because the mean of its divisors is an integer number (28552000).

Almost surely, 2^304504947 is an apocalyptic number.

304504947 is a deficient number, since it is larger than the sum of its proper divisors (152327053).

304504947 is a wasteful number, since it uses less digits than its factorization.

304504947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142847 (or 142841 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 304504947 is about 17450.0701144723. The cubic root of 304504947 is about 672.7671603820.

The spelling of 304504947 in words is "three hundred four million, five hundred four thousand, nine hundred forty-seven".