286219340 has 24 divisors (see below), whose sum is σ = 655702992. Its totient is φ = 104079680.

The previous prime is 286219313. The next prime is 286219343. The reversal of 286219340 is 43912682.

286219340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 286219340.

It is not an unprimeable number, because it can be changed into a prime (286219343) 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 7 ways as a sum of consecutive naturals, for example, 650279 + ... + 650718.

It is an arithmetic number, because the mean of its divisors is an integer number (27320958).

Almost surely, 2^286219340 is an apocalyptic number.

286219340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

286219340 is an abundant number, since it is smaller than the sum of its proper divisors (369483652).

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

286219340 is a wasteful number, since it uses less digits than its factorization.

286219340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301017 (or 1301015 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 286219340 is about 16918.0182054518. The cubic root of 286219340 is about 659.0216143283.

The spelling of 286219340 in words is "two hundred eighty-six million, two hundred nineteen thousand, three hundred forty".