208486849 has 4 divisors (see below), whose sum is σ = 209651760. Its totient is φ = 207321940.

The previous prime is 208486799. The next prime is 208486871. The reversal of 208486849 is 948684802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 208486849 - 2¹⁹ = 207962561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208486049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582187 + ... + 582544.

It is an arithmetic number, because the mean of its divisors is an integer number (52412940).

Almost surely, 2^208486849 is an apocalyptic number.

It is an amenable number.

208486849 is a deficient number, since it is larger than the sum of its proper divisors (1164911).

208486849 is a wasteful number, since it uses less digits than its factorization.

208486849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164910.

The product of its (nonzero) digits is 884736, while the sum is 49.

The square root of 208486849 is about 14439.0736891256. The cubic root of 208486849 is about 592.9611253566.

The spelling of 208486849 in words is "two hundred eight million, four hundred eighty-six thousand, eight hundred forty-nine".