208734039 has 24 divisors (see below), whose sum is σ = 315705312. Its totient is φ = 132644160.

The previous prime is 208734023. The next prime is 208734089. The reversal of 208734039 is 930437802.

208734039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 208734039 - 2⁴ = 208734023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 208733994 and 208734012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208734089) 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, 64029 + ... + 67209.

It is an arithmetic number, because the mean of its divisors is an integer number (13154388).

Almost surely, 2^208734039 is an apocalyptic number.

208734039 is a deficient number, since it is larger than the sum of its proper divisors (106971273).

208734039 is a wasteful number, since it uses less digits than its factorization.

208734039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3527 (or 3524 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 208734039 is about 14447.6309130598. The cubic root of 208734039 is about 593.1953786144.

The spelling of 208734039 in words is "two hundred eight million, seven hundred thirty-four thousand, thirty-nine".