340046 has 16 divisors (see below), whose sum is σ = 590976. Its totient is φ = 143736.

The previous prime is 340037. The next prime is 340049. The reversal of 340046 is 640043.

340046 = T₂₀ + T₂₁ + ... + T₁₂₆.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340049) by changing a digit.

340046 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 in 7 ways as a sum of consecutive naturals, for example, 1385 + ... + 1611.

It is an arithmetic number, because the mean of its divisors is an integer number (36936).

2³⁴⁰⁰⁴⁶ is an apocalyptic number.

340046 is a deficient number, since it is larger than the sum of its proper divisors (250930).

340046 is a wasteful number, since it uses less digits than its factorization.

340046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 340046 is about 583.1346328250. The cubic root of 340046 is about 69.7984679592.

Adding to 340046 its reverse (640043), we get a palindrome (980089).

The spelling of 340046 in words is "three hundred forty thousand, forty-six".