340973 has 4 divisors (see below), whose sum is σ = 342300. Its totient is φ = 339648.

The previous prime is 340957. The next prime is 340979. The reversal of 340973 is 379043.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 289444 + 51529 = 538^2 + 227^2 .

It is a cyclic number.

It is not a de Polignac number, because 340973 - 2⁴ = 340957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340979) 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, 140 + ... + 837.

It is an arithmetic number, because the mean of its divisors is an integer number (85575).

2³⁴⁰⁹⁷³ is an apocalyptic number.

It is an amenable number.

340973 is a deficient number, since it is larger than the sum of its proper divisors (1327).

340973 is an equidigital number, since it uses as much as digits as its factorization.

340973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 340973 is about 583.9289340322. The cubic root of 340973 is about 69.8618363201.

The spelling of 340973 in words is "three hundred forty thousand, nine hundred seventy-three".