304686849 has 4 divisors (see below), whose sum is σ = 406249136. Its totient is φ = 203124564.

The previous prime is 304686827. The next prime is 304686859. The reversal of 304686849 is 948686403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 304686849 - 2⁸ = 304686593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 304686798 and 304686807.

It is not an unprimeable number, because it can be changed into a prime (304686859) 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, 50781139 + ... + 50781144.

It is an arithmetic number, because the mean of its divisors is an integer number (101562284).

Almost surely, 2^304686849 is an apocalyptic number.

It is an amenable number.

304686849 is a deficient number, since it is larger than the sum of its proper divisors (101562287).

304686849 is a wasteful number, since it uses less digits than its factorization.

304686849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101562286.

The product of its (nonzero) digits is 995328, while the sum is 48.

The square root of 304686849 is about 17455.2814070699. The cubic root of 304686849 is about 672.9010972666.

The spelling of 304686849 in words is "three hundred four million, six hundred eighty-six thousand, eight hundred forty-nine".