206347834 has 48 divisors (see below), whose sum is σ = 398438208. Its totient is φ = 78408000.

The previous prime is 206347777. The next prime is 206347837. The reversal of 206347834 is 438743602.

It is a happy number.

206347834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 206347793 and 206347802.

It is not an unprimeable number, because it can be changed into a prime (206347837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67969 + ... + 70939.

It is an arithmetic number, because the mean of its divisors is an integer number (8300796).

Almost surely, 2^206347834 is an apocalyptic number.

206347834 is a deficient number, since it is larger than the sum of its proper divisors (192090374).

206347834 is a wasteful number, since it uses less digits than its factorization.

206347834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3043 (or 3032 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 206347834 is about 14364.8123551963. The cubic root of 206347834 is about 590.9262803348.

Adding to 206347834 its product of nonzero digits (96768), we get a palindrome (206444602).

The spelling of 206347834 in words is "two hundred six million, three hundred forty-seven thousand, eight hundred thirty-four".