304345749 has 16 divisors (see below), whose sum is σ = 420321600. Its totient is φ = 195651456.

The previous prime is 304345733. The next prime is 304345759. The reversal of 304345749 is 947543403.

It is not a de Polignac number, because 304345749 - 2⁴ = 304345733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304345759) 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, 86937 + ... + 90369.

It is an arithmetic number, because the mean of its divisors is an integer number (26270100).

Almost surely, 2^304345749 is an apocalyptic number.

It is an amenable number.

304345749 is a deficient number, since it is larger than the sum of its proper divisors (115975851).

304345749 is a wasteful number, since it uses less digits than its factorization.

304345749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484.

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 304345749 is about 17445.5079891644. The cubic root of 304345749 is about 672.6498969815.

The spelling of 304345749 in words is "three hundred four million, three hundred forty-five thousand, seven hundred forty-nine".