340634 has 16 divisors (see below), whose sum is σ = 604800. Its totient is φ = 140784.

The previous prime is 340633. The next prime is 340643. The reversal of 340634 is 436043.

It is a happy number.

It is a plaindrome in base 15.

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 7 ways as a sum of consecutive naturals, for example, 14 + ... + 825.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2³⁴⁰⁶³⁴ is an apocalyptic number.

340634 is a deficient number, since it is larger than the sum of its proper divisors (264166).

340634 is a wasteful number, since it uses less digits than its factorization.

340634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 340634 is about 583.6385867984. The cubic root of 340634 is about 69.8386761133.

Adding to 340634 its reverse (436043), we get a palindrome (776677).

The spelling of 340634 in words is "three hundred forty thousand, six hundred thirty-four".