340946 has 4 divisors (see below), whose sum is σ = 511422. Its totient is φ = 170472.

The previous prime is 340939. The next prime is 340957. The reversal of 340946 is 649043.

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

It can be written as a sum of positive squares in only one way, i.e., 192721 + 148225 = 439^2 + 385^2 .

It is a d-powerful number, because it can be written as 3⁹ + 4³ + 9⁵ + 0 + 4⁹ + 6 .

It is an unprimeable number.

340946 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, 85235 + ... + 85238.

2³⁴⁰⁹⁴⁶ is an apocalyptic number.

340946 is a deficient number, since it is larger than the sum of its proper divisors (170476).

340946 is a wasteful number, since it uses less digits than its factorization.

340946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170475.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 340946 is about 583.9058143228. The cubic root of 340946 is about 69.8599922646.

Adding to 340946 its reverse (649043), we get a palindrome (989989).

The spelling of 340946 in words is "three hundred forty thousand, nine hundred forty-six".