306804841 has 4 divisors (see below), whose sum is σ = 350634112. Its totient is φ = 262975572.

The previous prime is 306804821. The next prime is 306804881. The reversal of 306804841 is 148408603.

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 a cyclic number.

It is not a de Polignac number, because 306804841 - 2⁷ = 306804713 is a prime.

It is a super-2 number, since 2×306804841² = 188258420922070562, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 306804797 and 306804806.

It is not an unprimeable number, because it can be changed into a prime (306804821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21914625 + ... + 21914638.

It is an arithmetic number, because the mean of its divisors is an integer number (87658528).

Almost surely, 2^306804841 is an apocalyptic number.

It is an amenable number.

306804841 is a deficient number, since it is larger than the sum of its proper divisors (43829271).

306804841 is an equidigital number, since it uses as much as digits as its factorization.

306804841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43829270.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 306804841 is about 17515.8454263561. The cubic root of 306804841 is about 674.4566938584.

The spelling of 306804841 in words is "three hundred six million, eight hundred four thousand, eight hundred forty-one".