305056429 has 8 divisors (see below), whose sum is σ = 318494592. Its totient is φ = 291632880.

The previous prime is 305056421. The next prime is 305056459. The reversal of 305056429 is 924650503.

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 305056429 - 2³ = 305056421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 305056394 and 305056403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305056421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81264 + ... + 84934.

It is an arithmetic number, because the mean of its divisors is an integer number (39811824).

Almost surely, 2^305056429 is an apocalyptic number.

It is an amenable number.

305056429 is a deficient number, since it is larger than the sum of its proper divisors (13438163).

305056429 is a wasteful number, since it uses less digits than its factorization.

305056429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7307.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 305056429 is about 17465.8646794254. The cubic root of 305056429 is about 673.1730598882.

The spelling of 305056429 in words is "three hundred five million, fifty-six thousand, four hundred twenty-nine".