307218429 has 48 divisors (see below), whose sum is σ = 557107200. Its totient is φ = 159068448.

The previous prime is 307218427. The next prime is 307218469. The reversal of 307218429 is 924812703.

It is not a de Polignac number, because 307218429 - 2¹ = 307218427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 307218393 and 307218402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307218427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21952 + ... + 33110.

It is an arithmetic number, because the mean of its divisors is an integer number (11606400).

Almost surely, 2^307218429 is an apocalyptic number.

It is an amenable number.

307218429 is a deficient number, since it is larger than the sum of its proper divisors (249888771).

307218429 is a wasteful number, since it uses less digits than its factorization.

307218429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11214 (or 11211 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 307218429 is about 17527.6475603545. The cubic root of 307218429 is about 674.7596246978.

The spelling of 307218429 in words is "three hundred seven million, two hundred eighteen thousand, four hundred twenty-nine".