285341788 has 12 divisors (see below), whose sum is σ = 516567240. Its totient is φ = 137751152.

The previous prime is 285341779. The next prime is 285341789. The reversal of 285341788 is 887143582.

It is a super-3 number, since 3×285341788³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285341789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1229806 + ... + 1230037.

It is an arithmetic number, because the mean of its divisors is an integer number (43047270).

Almost surely, 2^285341788 is an apocalyptic number.

It is an amenable number.

285341788 is a deficient number, since it is larger than the sum of its proper divisors (231225452).

285341788 is a wasteful number, since it uses less digits than its factorization.

285341788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459876 (or 2459874 counting only the distinct ones).

The product of its digits is 430080, while the sum is 46.

The square root of 285341788 is about 16892.0628698806. The cubic root of 285341788 is about 658.3474020316.

The spelling of 285341788 in words is "two hundred eighty-five million, three hundred forty-one thousand, seven hundred eighty-eight".