340386 has 8 divisors (see below), whose sum is σ = 680784. Its totient is φ = 113460.

The previous prime is 340381. The next prime is 340387. The reversal of 340386 is 683043.

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

340386 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (340381) by changing a digit.

340386 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28360 + ... + 28371.

It is an arithmetic number, because the mean of its divisors is an integer number (85098).

2³⁴⁰³⁸⁶ is an apocalyptic number.

340386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

340386 is a wasteful number, since it uses less digits than its factorization.

340386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56736.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 340386 is about 583.4260878637. The cubic root of 340386 is about 69.8217232189.

The spelling of 340386 in words is "three hundred forty thousand, three hundred eighty-six".