340684 has 12 divisors (see below), whose sum is σ = 607824. Its totient is φ = 167024.

The previous prime is 340661. The next prime is 340687. The reversal of 340684 is 486043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592 + ... + 1015.

It is an arithmetic number, because the mean of its divisors is an integer number (50652).

2³⁴⁰⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

340684 is a deficient number, since it is larger than the sum of its proper divisors (267140).

340684 is a wasteful number, since it uses less digits than its factorization.

340684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664 (or 1662 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 340684 is about 583.6814199544. The cubic root of 340684 is about 69.8420930387.

It can be divided in two parts, 340 and 684, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 340684 in words is "three hundred forty thousand, six hundred eighty-four".