340866 has 24 divisors (see below), whose sum is σ = 765180. Its totient is φ = 109536.

The previous prime is 340859. The next prime is 340877. The reversal of 340866 is 668043.

It can be written as a sum of positive squares in 2 ways, for example, as 335241 + 5625 = 579^2 + 75^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196 + ... + 848.

2³⁴⁰⁸⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382590).

340866 is an abundant number, since it is smaller than the sum of its proper divisors (424314).

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

340866 is a wasteful number, since it uses less digits than its factorization.

340866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 687 counting only the distinct ones).

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

The square root of 340866 is about 583.8373061050. The cubic root of 340866 is about 69.8545278249.

The spelling of 340866 in words is "three hundred forty thousand, eight hundred sixty-six".