285285426 has 16 divisors (see below), whose sum is σ = 570970944. Its totient is φ = 95028464.

The previous prime is 285285419. The next prime is 285285443. The reversal of 285285426 is 624582582.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6966 + ... + 24881.

It is an arithmetic number, because the mean of its divisors is an integer number (35685684).

Almost surely, 2^285285426 is an apocalyptic number.

285285426 is an abundant number, since it is smaller than the sum of its proper divisors (285685518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285285426 is a wasteful number, since it uses less digits than its factorization.

285285426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33345.

The product of its digits is 307200, while the sum is 42.

The square root of 285285426 is about 16890.3944891764. The cubic root of 285285426 is about 658.3040525922.

The spelling of 285285426 in words is "two hundred eighty-five million, two hundred eighty-five thousand, four hundred twenty-six".