2862 has 16 divisors (see below), whose sum is σ = 6480. Its totient is φ = 936.

The previous prime is 2861. The next prime is 2879. The reversal of 2862 is 2682.

2862 is nontrivially palindromic in base 15.

2862 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.

It is a Harshad number since it is a multiple of its sum of digits (18).

2862 is an undulating number in base 15.

Its product of digits (192) is a multiple of the sum of its prime factors (64).

It is a plaindrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28 + ... + 80.

It is an arithmetic number, because the mean of its divisors is an integer number (405).

2²⁸⁶² is an apocalyptic number.

It is a pronic number, being equal to 53×54.

It is a practical number, because each smaller number is the sum of distinct divisors of 2862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3240).

2862 is an abundant number, since it is smaller than the sum of its proper divisors (3618).

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

2862 is a wasteful number, since it uses less digits than its factorization.

2862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64 (or 58 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 2862 is about 53.4976635004. The cubic root of 2862 is about 14.1978704735.

The spelling of 2862 in words is "two thousand, eight hundred sixty-two".