285306430 has 16 divisors (see below), whose sum is σ = 513953424. Its totient is φ = 114033280.

The previous prime is 285306409. The next prime is 285306457. The reversal of 285306430 is 34603582.

It is a junction number, because it is equal to n+sod(n) for n = 285306392 and 285306401.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3129 + ... + 24091.

It is an arithmetic number, because the mean of its divisors is an integer number (32122089).

Almost surely, 2^285306430 is an apocalyptic number.

285306430 is a deficient number, since it is larger than the sum of its proper divisors (228646994).

285306430 is a wasteful number, since it uses less digits than its factorization.

285306430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22331.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 285306430 is about 16891.0162512502. The cubic root of 285306430 is about 658.3202079671.

The spelling of 285306430 in words is "two hundred eighty-five million, three hundred six thousand, four hundred thirty".