340670 has 32 divisors (see below), whose sum is σ = 708480. Its totient is φ = 116640.

The previous prime is 340661. The next prime is 340687. The reversal of 340670 is 76043.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

340670 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 (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2009 + ... + 2171.

It is an arithmetic number, because the mean of its divisors is an integer number (22140).

2³⁴⁰⁶⁷⁰ is an apocalyptic number.

340670 is an abundant number, since it is smaller than the sum of its proper divisors (367810).

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

340670 is a wasteful number, since it uses less digits than its factorization.

340670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 340670 is about 583.6694269876. The cubic root of 340670 is about 69.8411363333.

The spelling of 340670 in words is "three hundred forty thousand, six hundred seventy".