340836 has 12 divisors (see below), whose sum is σ = 795312. Its totient is φ = 113608.

The previous prime is 340819. The next prime is 340849. The reversal of 340836 is 638043.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14190 + ... + 14213.

It is an arithmetic number, because the mean of its divisors is an integer number (66276).

2³⁴⁰⁸³⁶ is an apocalyptic number.

It is an amenable number.

340836 is an abundant number, since it is smaller than the sum of its proper divisors (454476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340836 is a wasteful number, since it uses less digits than its factorization.

340836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28410 (or 28408 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 340836 is about 583.8116134508. The cubic root of 340836 is about 69.8524784396.

Adding to 340836 its reverse (638043), we get a palindrome (978879).

It can be divided in two parts, 340 and 836, that added together give a triangular number (1176 = T₄₈).

The spelling of 340836 in words is "three hundred forty thousand, eight hundred thirty-six".