286782012 has 96 divisors (see below), whose sum is σ = 814920960. Its totient is φ = 86495040.

The previous prime is 286781977. The next prime is 286782017. The reversal of 286782012 is 210287682.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286782017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 335778 + ... + 336630.

It is an arithmetic number, because the mean of its divisors is an integer number (8488760).

Almost surely, 2^286782012 is an apocalyptic number.

286782012 is a gapful number since it is divisible by the number (22) 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 286782012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407460480).

286782012 is an abundant number, since it is smaller than the sum of its proper divisors (528138948).

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

286782012 is a wasteful number, since it uses less digits than its factorization.

286782012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 286782012 is about 16934.6394115730. The cubic root of 286782012 is about 659.4531834458.

The spelling of 286782012 in words is "two hundred eighty-six million, seven hundred eighty-two thousand, twelve".