2786286 has 8 divisors (see below), whose sum is σ = 5572584. Its totient is φ = 928760.

The previous prime is 2786281. The next prime is 2786321. The reversal of 2786286 is 6826872.

It is a sphenic number, since it is the product of 3 distinct primes.

2786286 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2786281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232185 + ... + 232196.

It is an arithmetic number, because the mean of its divisors is an integer number (696573).

2^2786286 is an apocalyptic number.

2786286 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2786286 is a wasteful number, since it uses less digits than its factorization.

2786286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464386.

The product of its digits is 64512, while the sum is 39.

The square root of 2786286 is about 1669.2171817951. The cubic root of 2786286 is about 140.7154868491.

The spelling of 2786286 in words is "two million, seven hundred eighty-six thousand, two hundred eighty-six".