285800106 has 16 divisors (see below), whose sum is σ = 572499648. Its totient is φ = 95116800.

The previous prime is 285800089. The next prime is 285800113. The reversal of 285800106 is 601008582.

It is a super-2 number, since 2×285800106² = 163363401179222472, which contains 22 as substring.

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, 33310 + ... + 41001.

It is an arithmetic number, because the mean of its divisors is an integer number (35781228).

Almost surely, 2^285800106 is an apocalyptic number.

285800106 is an abundant number, since it is smaller than the sum of its proper divisors (286699542).

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

285800106 is a wasteful number, since it uses less digits than its factorization.

285800106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74957.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 285800106 is about 16905.6235022551. The cubic root of 285800106 is about 658.6996942335.

Adding to 285800106 its reverse (601008582), we get a palindrome (886808688).

The spelling of 285800106 in words is "two hundred eighty-five million, eight hundred thousand, one hundred six".