306629426 has 8 divisors (see below), whose sum is σ = 464164140. Its totient is φ = 151908048.

The previous prime is 306629377. The next prime is 306629437. The reversal of 306629426 is 624926603.

It can be written as a sum of positive squares in 2 ways, for example, as 296700625 + 9928801 = 17225^2 + 3151^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 306629426.

It is an unprimeable number.

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, 703061 + ... + 703496.

Almost surely, 2^306629426 is an apocalyptic number.

306629426 is a deficient number, since it is larger than the sum of its proper divisors (157534714).

306629426 is a wasteful number, since it uses less digits than its factorization.

306629426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406668.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 306629426 is about 17510.8373871726. The cubic root of 306629426 is about 674.3281296377.

The spelling of 306629426 in words is "three hundred six million, six hundred twenty-nine thousand, four hundred twenty-six".