286728032 has 24 divisors (see below), whose sum is σ = 566319096. Its totient is φ = 142900992.

The previous prime is 286727989. The next prime is 286728037. The reversal of 286728032 is 230827682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286728037) by changing a digit.

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, 4298 + ... + 24329.

It is an arithmetic number, because the mean of its divisors is an integer number (23596629).

Almost surely, 2^286728032 is an apocalyptic number.

It is an amenable number.

286728032 is a deficient number, since it is larger than the sum of its proper divisors (279591064).

286728032 is a wasteful number, since it uses less digits than its factorization.

286728032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28950 (or 28942 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 286728032 is about 16933.0455618592. The cubic root of 286728032 is about 659.4118053084.

The spelling of 286728032 in words is "two hundred eighty-six million, seven hundred twenty-eight thousand, thirty-two".