286256164 has 12 divisors (see below), whose sum is σ = 509160988. Its totient is φ = 140781600.

The previous prime is 286256143. The next prime is 286256171. The reversal of 286256164 is 461652682.

It can be written as a sum of positive squares in 2 ways, for example, as 4284900 + 281971264 = 2070^2 + 16792^2 .

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 3 ways as a sum of consecutive naturals, for example, 586347 + ... + 586834.

Almost surely, 2^286256164 is an apocalyptic number.

It is an amenable number.

286256164 is a deficient number, since it is larger than the sum of its proper divisors (222904824).

286256164 is a wasteful number, since it uses less digits than its factorization.

286256164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173246 (or 1173244 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 286256164 is about 16919.1064775892. The cubic root of 286256164 is about 659.0498756043.

The spelling of 286256164 in words is "two hundred eighty-six million, two hundred fifty-six thousand, one hundred sixty-four".