286542036 has 90 divisors (see below), whose sum is σ = 823478810. Its totient is φ = 86819040.

The previous prime is 286542031. The next prime is 286542079. The reversal of 286542036 is 630245682.

286542036 is a `hidden beast` number, since 2 + 86 + 542 + 0 + 36 = 666.

286542036 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 238517136 + 48024900 = 15444^2 + 6930^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286542031) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 35550 + ... + 42858.

Almost surely, 2^286542036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 286542036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411739405).

286542036 is an abundant number, since it is smaller than the sum of its proper divisors (536936774).

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

286542036 is a wasteful number, since it uses less digits than its factorization.

286542036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7347 (or 7325 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 286542036 is about 16927.5525697013. The cubic root of 286542036 is about 659.2691910840.

The spelling of 286542036 in words is "two hundred eighty-six million, five hundred forty-two thousand, thirty-six".