340664 has 16 divisors (see below), whose sum is σ = 646800. Its totient is φ = 168192.

The previous prime is 340661. The next prime is 340687. The reversal of 340664 is 466043.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 340664.

It is not an unprimeable number, because it can be changed into a prime (340661) 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, 557 + ... + 995.

It is an arithmetic number, because the mean of its divisors is an integer number (40425).

2³⁴⁰⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

340664 is a deficient number, since it is larger than the sum of its proper divisors (306136).

340664 is a wasteful number, since it uses less digits than its factorization.

340664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 340664 is about 583.6642870692. The cubic root of 340664 is about 69.8407263087.

The spelling of 340664 in words is "three hundred forty thousand, six hundred sixty-four".