286228789 has 8 divisors (see below), whose sum is σ = 356856768. Its totient is φ = 223035360.

The previous prime is 286228783. The next prime is 286228793. The reversal of 286228789 is 987822682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 286228789 - 2¹¹ = 286226741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286228783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1858552 + ... + 1858705.

It is an arithmetic number, because the mean of its divisors is an integer number (44607096).

Almost surely, 2^286228789 is an apocalyptic number.

It is an amenable number.

286228789 is a deficient number, since it is larger than the sum of its proper divisors (70627979).

286228789 is a wasteful number, since it uses less digits than its factorization.

286228789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3717275.

The product of its digits is 1548288, while the sum is 52.

The square root of 286228789 is about 16918.2974616242. The cubic root of 286228789 is about 659.0288663735.

The spelling of 286228789 in words is "two hundred eighty-six million, two hundred twenty-eight thousand, seven hundred eighty-nine".