208313834 has 16 divisors (see below), whose sum is σ = 330307200. Its totient is φ = 98257824.

The previous prime is 208313827. The next prime is 208313839. The reversal of 208313834 is 438313802.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 208313834.

It is not an unprimeable number, because it can be changed into a prime (208313839) 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, 2387 + ... + 20550.

It is an arithmetic number, because the mean of its divisors is an integer number (20644200).

Almost surely, 2^208313834 is an apocalyptic number.

208313834 is a deficient number, since it is larger than the sum of its proper divisors (121993366).

208313834 is a wasteful number, since it uses less digits than its factorization.

208313834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23197.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 208313834 is about 14433.0812372133. The cubic root of 208313834 is about 592.7970549584.

Subtracting from 208313834 its sum of digits (32), we obtain a palindrome (208313802).

The spelling of 208313834 in words is "two hundred eight million, three hundred thirteen thousand, eight hundred thirty-four".