340947 has 12 divisors (see below), whose sum is σ = 504504. Its totient is φ = 221760.

The previous prime is 340939. The next prime is 340957. The reversal of 340947 is 749043.

It is not a de Polignac number, because 340947 - 2³ = 340939 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 3⁹ + 4³ + 9⁵ + 0 + 4⁹ + 7 .

It is a self number, because there is not a number n which added to its sum of digits gives 340947.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 340947.

It is not an unprimeable number, because it can be changed into a prime (340927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54 + ... + 827.

It is an arithmetic number, because the mean of its divisors is an integer number (42042).

2³⁴⁰⁹⁴⁷ is an apocalyptic number.

340947 is a deficient number, since it is larger than the sum of its proper divisors (163557).

340947 is a wasteful number, since it uses less digits than its factorization.

340947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 927 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 340947 is about 583.9066706247. The cubic root of 340947 is about 69.8600605647.

The spelling of 340947 in words is "three hundred forty thousand, nine hundred forty-seven".