286028700 has 72 divisors (see below), whose sum is σ = 829613568. Its totient is φ = 76086720.

The previous prime is 286028693. The next prime is 286028741. The reversal of 286028700 is 7820682.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 155989 + ... + 157811.

Almost surely, 2^286028700 is an apocalyptic number.

286028700 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 286028700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414806784).

286028700 is an abundant number, since it is smaller than the sum of its proper divisors (543584868).

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

286028700 is a wasteful number, since it uses less digits than its factorization.

286028700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363 (or 2356 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 286028700 is about 16912.3830372896. The cubic root of 286028700 is about 658.8752652793.

The spelling of 286028700 in words is "two hundred eighty-six million, twenty-eight thousand, seven hundred".