306342641 has 4 divisors (see below), whose sum is σ = 334191984. Its totient is φ = 278493300.

The previous prime is 306342623. The next prime is 306342649. The reversal of 306342641 is 146243603.

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 306342641 - 2⁶ = 306342577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (306342649) 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, 13924655 + ... + 13924676.

It is an arithmetic number, because the mean of its divisors is an integer number (83547996).

Almost surely, 2^306342641 is an apocalyptic number.

It is an amenable number.

306342641 is a deficient number, since it is larger than the sum of its proper divisors (27849343).

306342641 is a wasteful number, since it uses less digits than its factorization.

306342641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27849342.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 306342641 is about 17502.6466855730. The cubic root of 306342641 is about 674.1178350626.

The spelling of 306342641 in words is "three hundred six million, three hundred forty-two thousand, six hundred forty-one".