34866 has 24 divisors (see below), whose sum is σ = 81900. Its totient is φ = 10656.

The previous prime is 34849. The next prime is 34871. The reversal of 34866 is 66843.

It can be written as a sum of positive squares in 2 ways, for example, as 29241 + 5625 = 171^2 + 75^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

34866 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160 + ... + 308.

2³⁴⁸⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40950).

34866 is an abundant number, since it is smaller than the sum of its proper divisors (47034).

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

34866 is a wasteful number, since it uses less digits than its factorization.

34866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 167 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 34866 is about 186.7243958351. The cubic root of 34866 is about 32.6688646769.

It can be divided in two parts, 348 and 66, that added together give a palindrome (414).

The spelling of 34866 in words is "thirty-four thousand, eight hundred sixty-six".