286340252 has 24 divisors (see below), whose sum is σ = 552070512. Its totient is φ = 128864000.

The previous prime is 286340233. The next prime is 286340261. The reversal of 286340252 is 252043682.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27773 + ... + 36660.

It is an arithmetic number, because the mean of its divisors is an integer number (23002938).

Almost surely, 2^286340252 is an apocalyptic number.

286340252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

286340252 is a deficient number, since it is larger than the sum of its proper divisors (265730260).

286340252 is a wasteful number, since it uses less digits than its factorization.

286340252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64549 (or 64547 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 286340252 is about 16921.5912963291. The cubic root of 286340252 is about 659.1144014468.

The spelling of 286340252 in words is "two hundred eighty-six million, three hundred forty thousand, two hundred fifty-two".