208434061 has 16 divisors (see below), whose sum is σ = 236850048. Its totient is φ = 181742400.

The previous prime is 208434019. The next prime is 208434089. The reversal of 208434061 is 160434802.

It is a cyclic number.

It is not a de Polignac number, because 208434061 - 2¹¹ = 208432013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208434091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25291 + ... + 32503.

It is an arithmetic number, because the mean of its divisors is an integer number (14803128).

Almost surely, 2^208434061 is an apocalyptic number.

It is an amenable number.

208434061 is a deficient number, since it is larger than the sum of its proper divisors (28415987).

208434061 is a wasteful number, since it uses less digits than its factorization.

208434061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7332.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 208434061 is about 14437.2456168066. The cubic root of 208434061 is about 592.9110760382.

Adding to 208434061 its reverse (160434802), we get a palindrome (368868863).

The spelling of 208434061 in words is "two hundred eight million, four hundred thirty-four thousand, sixty-one".