1862 has 12 divisors (see below), whose sum is σ = 3420.
Its totient is φ = 756.
The previous prime is 1861. The next prime is 1867. The reversal of 1862 is 2681.
It is a plaindrome in base 9.
It is a nialpdrome in base 7, base 14 and base 15.
It is a self number, because there is not a number n which added to its sum of digits gives 1862.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1861) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89 + ... + 107.
It is an arithmetic number, because the mean of its divisors is an integer number (285).
21862 is an apocalyptic number.
1862 is a deficient number, since it is larger than the sum of its proper divisors (1558).
1862 is a wasteful number, since it uses less digits than its factorization.
With its successor (1863) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (35).
1862 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35 (or 28 counting only the distinct ones).
The product of its digits is 96, while the sum is 17.
The square root of 1862 is about 43.1508980208.
The cubic root of 1862 is about 12.3024958031.
The spelling of 1862 in words is "one thousand, eight hundred sixty-two".