340563 has 8 divisors (see below), whose sum is σ = 461776. Its totient is φ = 223200.

The previous prime is 340559. The next prime is 340573. The reversal of 340563 is 365043.

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

It is not a de Polignac number, because 340563 - 2² = 340559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340573) 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, 748 + ... + 1113.

It is an arithmetic number, because the mean of its divisors is an integer number (57722).

2³⁴⁰⁵⁶³ is an apocalyptic number.

340563 is a deficient number, since it is larger than the sum of its proper divisors (121213).

340563 is a wasteful number, since it uses less digits than its factorization.

340563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 340563 is about 583.5777583150. The cubic root of 340563 is about 69.8338235046.

It can be divided in two parts, 340 and 563, that added together give a triangular number (903 = T₄₂).

The spelling of 340563 in words is "three hundred forty thousand, five hundred sixty-three".