286030140 has 96 divisors (see below), whose sum is σ = 878653440. Its totient is φ = 68947200.

The previous prime is 286030111. The next prime is 286030141. The reversal of 286030140 is 41030682.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 286030140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286030141) 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 31 ways as a sum of consecutive naturals, for example, 124926 + ... + 127194.

It is an arithmetic number, because the mean of its divisors is an integer number (9152640).

Almost surely, 2^286030140 is an apocalyptic number.

286030140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 286030140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439326720).

286030140 is an abundant number, since it is smaller than the sum of its proper divisors (592623300).

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

286030140 is a wasteful number, since it uses less digits than its factorization.

286030140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483 (or 2481 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 286030140 is about 16912.4256095925. The cubic root of 286030140 is about 658.8763709711.

The spelling of 286030140 in words is "two hundred eighty-six million, thirty thousand, one hundred forty".