208834734 has 32 divisors (see below), whose sum is σ = 437076000. Its totient is φ = 66448512.

The previous prime is 208834721. The next prime is 208834739. The reversal of 208834734 is 437438802.

It is a super-2 number, since 2×208834734² = 87223892249701512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 208834692 and 208834701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208834739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2892 + ... + 20640.

It is an arithmetic number, because the mean of its divisors is an integer number (13658625).

Almost surely, 2^208834734 is an apocalyptic number.

208834734 is an abundant number, since it is smaller than the sum of its proper divisors (228241266).

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

208834734 is a wasteful number, since it uses less digits than its factorization.

208834734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17844.

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 208834734 is about 14451.1153202789. The cubic root of 208834734 is about 593.2907507068.

The spelling of 208834734 in words is "two hundred eight million, eight hundred thirty-four thousand, seven hundred thirty-four".