286288140 has 48 divisors (see below), whose sum is σ = 803900160. Its totient is φ = 76125120.

The previous prime is 286288103. The next prime is 286288141. The reversal of 286288140 is 41882682.

It is not an unprimeable number, because it can be changed into a prime (286288141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14895 + ... + 28185.

It is an arithmetic number, because the mean of its divisors is an integer number (16747920).

Almost surely, 2^286288140 is an apocalyptic number.

286288140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

286288140 is an abundant number, since it is smaller than the sum of its proper divisors (517612020).

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

286288140 is a wasteful number, since it uses less digits than its factorization.

286288140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13662 (or 13660 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 286288140 is about 16920.0514183616. The cubic root of 286288140 is about 659.0744142249.

The spelling of 286288140 in words is "two hundred eighty-six million, two hundred eighty-eight thousand, one hundred forty".