208456049 has 16 divisors (see below), whose sum is σ = 225348480. Its totient is φ = 192216960.

The previous prime is 208456033. The next prime is 208456051. The reversal of 208456049 is 940654802.

208456049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 208456049 - 2⁴ = 208456033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208456349) 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, 137204 + ... + 138714.

It is an arithmetic number, because the mean of its divisors is an integer number (14084280).

Almost surely, 2^208456049 is an apocalyptic number.

It is an amenable number.

208456049 is a deficient number, since it is larger than the sum of its proper divisors (16892431).

208456049 is a wasteful number, since it uses less digits than its factorization.

208456049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 208456049 is about 14438.0070993195. The cubic root of 208456049 is about 592.9319243108.

The spelling of 208456049 in words is "two hundred eight million, four hundred fifty-six thousand, forty-nine".