285961568 has 24 divisors (see below), whose sum is σ = 563373720. Its totient is φ = 142882560.

The previous prime is 285961549. The next prime is 285961589. The reversal of 285961568 is 865169582.

285961568 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×285961568⁵ (a number of 43 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73988 + ... + 77756.

It is an arithmetic number, because the mean of its divisors is an integer number (23473905).

Almost surely, 2^285961568 is an apocalyptic number.

It is an amenable number.

285961568 is a deficient number, since it is larger than the sum of its proper divisors (277412152).

285961568 is a wasteful number, since it uses less digits than its factorization.

285961568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6150 (or 6142 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 50.

The square root of 285961568 is about 16910.3982212129. The cubic root of 285961568 is about 658.8237144207.

The spelling of 285961568 in words is "two hundred eighty-five million, nine hundred sixty-one thousand, five hundred sixty-eight".