307442009 has 8 divisors (see below), whose sum is σ = 355810560. Its totient is φ = 260185536.

The previous prime is 307441949. The next prime is 307442017. The reversal of 307442009 is 900244703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 307442009 - 2¹² = 307437913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (307442089) 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 7 ways as a sum of consecutive naturals, for example, 277424 + ... + 278529.

It is an arithmetic number, because the mean of its divisors is an integer number (44476320).

Almost surely, 2^307442009 is an apocalyptic number.

It is an amenable number.

307442009 is a deficient number, since it is larger than the sum of its proper divisors (48368551).

307442009 is an equidigital number, since it uses as much as digits as its factorization.

307442009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556039.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 307442009 is about 17534.0243241533. The cubic root of 307442009 is about 674.9232717541.

The spelling of 307442009 in words is "three hundred seven million, four hundred forty-two thousand, nine".