340870 has 16 divisors (see below), whose sum is σ = 622080. Its totient is φ = 134464.

The previous prime is 340859. The next prime is 340877. The reversal of 340870 is 78043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699 + ... + 1081.

It is an arithmetic number, because the mean of its divisors is an integer number (38880).

2³⁴⁰⁸⁷⁰ is an apocalyptic number.

340870 is a deficient number, since it is larger than the sum of its proper divisors (281210).

340870 is a wasteful number, since it uses less digits than its factorization.

340870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 340870 is about 583.8407317069. The cubic root of 340870 is about 69.8548010672.

The spelling of 340870 in words is "three hundred forty thousand, eight hundred seventy".