286738542 has 24 divisors (see below), whose sum is σ = 644277816. Its totient is φ = 95579352.

The previous prime is 286738537. The next prime is 286738549. The reversal of 286738542 is 245837682.

286738542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286738549) 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 11 ways as a sum of consecutive naturals, for example, 294513 + ... + 295484.

It is an arithmetic number, because the mean of its divisors is an integer number (26844909).

Almost surely, 2^286738542 is an apocalyptic number.

286738542 is an abundant number, since it is smaller than the sum of its proper divisors (357539274).

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

286738542 is an equidigital number, since it uses as much as digits as its factorization.

286738542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590014 (or 590002 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 286738542 is about 16933.3558989351. The cubic root of 286738542 is about 659.4198621109.

The spelling of 286738542 in words is "two hundred eighty-six million, seven hundred thirty-eight thousand, five hundred forty-two".