340673 has 4 divisors (see below), whose sum is σ = 344148. Its totient is φ = 337200.

The previous prime is 340661. The next prime is 340687. The reversal of 340673 is 376043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 376043 = 29 ⋅12967.

It can be written as a sum of positive squares in 2 ways, for example, as 332929 + 7744 = 577^2 + 88^2 .

It is a cyclic number.

It is not a de Polignac number, because 340673 - 2⁴ = 340657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340633) 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, 1586 + ... + 1787.

It is an arithmetic number, because the mean of its divisors is an integer number (86037).

2³⁴⁰⁶⁷³ is an apocalyptic number.

It is an amenable number.

340673 is a deficient number, since it is larger than the sum of its proper divisors (3475).

340673 is a wasteful number, since it uses less digits than its factorization.

340673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 340673 is about 583.6719969298. The cubic root of 340673 is about 69.8413413438.

It can be divided in two parts, 34067 and 3, that multiplied together give a palindrome (102201).

The spelling of 340673 in words is "three hundred forty thousand, six hundred seventy-three".