340363 has 4 divisors (see below), whose sum is σ = 349600. Its totient is φ = 331128.

The previous prime is 340339. The next prime is 340369. The reversal of 340363 is 363043.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340363.

It is not an unprimeable number, because it can be changed into a prime (340369) 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, 4563 + ... + 4636.

It is an arithmetic number, because the mean of its divisors is an integer number (87400).

2³⁴⁰³⁶³ is an apocalyptic number.

340363 is a deficient number, since it is larger than the sum of its proper divisors (9237).

340363 is an equidigital number, since it uses as much as digits as its factorization.

340363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9236.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 340363 is about 583.4063763793. The cubic root of 340363 is about 69.8201505575.

It can be divided in two parts, 340 and 363, that added together give a triangular number (703 = T₃₇).

The spelling of 340363 in words is "three hundred forty thousand, three hundred sixty-three".