306907442 has 8 divisors (see below), whose sum is σ = 462747036. Its totient is φ = 152658432.

The previous prime is 306907429. The next prime is 306907451. The reversal of 306907442 is 244709603.

It can be written as a sum of positive squares in 2 ways, for example, as 274200481 + 32706961 = 16559^2 + 5719^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397163 + ... + 397934.

Almost surely, 2^306907442 is an apocalyptic number.

306907442 is a deficient number, since it is larger than the sum of its proper divisors (155839594).

306907442 is a wasteful number, since it uses less digits than its factorization.

306907442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795292.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 306907442 is about 17518.7739867834. The cubic root of 306907442 is about 674.5318689204.

The spelling of 306907442 in words is "three hundred six million, nine hundred seven thousand, four hundred forty-two".