286832880 has 240 divisors, whose sum is σ = 1025871840. Its totient is φ = 73654272.

The previous prime is 286832831. The next prime is 286832951. The reversal of 286832880 is 88238682.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2956992 + ... + 2957088.

It is an arithmetic number, because the mean of its divisors is an integer number (4274466).

Almost surely, 2^286832880 is an apocalyptic number.

286832880 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 286832880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (512935920).

286832880 is an abundant number, since it is smaller than the sum of its proper divisors (739038960).

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

286832880 is a wasteful number, since it uses less digits than its factorization.

286832880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 286832880 is about 16936.1412370115. The cubic root of 286832880 is about 659.4921713413.

The spelling of 286832880 in words is "two hundred eighty-six million, eight hundred thirty-two thousand, eight hundred eighty".