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BaseRepresentation
bin11101011110
32120212
4131132
530021
612422
75333
oct3536
92525
101886
111465
121112
13b21
1498a
1585b
hex75e

1886 has 8 divisors (see below), whose sum is σ = 3024. Its totient is φ = 880.

The previous prime is 1879. The next prime is 1889. The reversal of 1886 is 6881.

1886 is nontrivially palindromic in base 3.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

1886 is an undulating number in base 9.

It is a plaindrome in base 12.

It is a nialpdrome in base 7 and base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1889) 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, 26 + ... + 66.

It is an arithmetic number, because the mean of its divisors is an integer number (378).

1886 is a deficient number, since it is larger than the sum of its proper divisors (1138).

1886 is a wasteful number, since it uses less digits than its factorization.

1886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66.

The product of its digits is 384, while the sum is 23.

The square root of 1886 is about 43.4281015012. The cubic root of 1886 is about 12.3551274420.

It can be divided in two parts, 188 and 6, that multiplied together give a triangular number (1128 = T47).

The spelling of 1886 in words is "one thousand, eight hundred eighty-six".

Divisors: 1 2 23 41 46 82 943 1886