340246 has 4 divisors (see below), whose sum is σ = 510372. Its totient is φ = 170122.

The previous prime is 340237. The next prime is 340261. The reversal of 340246 is 642043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 642043 = 97 ⋅6619.

It is a congruent number.

It is an unprimeable number.

340246 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85060 + ... + 85063.

It is an arithmetic number, because the mean of its divisors is an integer number (127593).

2³⁴⁰²⁴⁶ is an apocalyptic number.

340246 is a deficient number, since it is larger than the sum of its proper divisors (170126).

340246 is a wasteful number, since it uses less digits than its factorization.

340246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170125.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 340246 is about 583.3060946021. The cubic root of 340246 is about 69.8121494001.

Adding to 340246 its reverse (642043), we get a palindrome (982289).

The spelling of 340246 in words is "three hundred forty thousand, two hundred forty-six".