306806041 has 4 divisors (see below), whose sum is σ = 308501284. Its totient is φ = 305110800.

The previous prime is 306806009. The next prime is 306806099. The reversal of 306806041 is 140608603.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1430416 + 305375625 = 1196^2 + 17475^2 .

It is a cyclic number.

It is not a de Polignac number, because 306806041 - 2⁵ = 306806009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (306806141) 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, 847350 + ... + 847711.

It is an arithmetic number, because the mean of its divisors is an integer number (77125321).

Almost surely, 2^306806041 is an apocalyptic number.

It is an amenable number.

306806041 is a deficient number, since it is larger than the sum of its proper divisors (1695243).

306806041 is a wasteful number, since it uses less digits than its factorization.

306806041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695242.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 306806041 is about 17515.8796810209. The cubic root of 306806041 is about 674.4575731872.

The spelling of 306806041 in words is "three hundred six million, eight hundred six thousand, forty-one".