208464983 has 2 divisors, whose sum is σ = 208464984. Its totient is φ = 208464982.

The previous prime is 208464947. The next prime is 208465001. The reversal of 208464983 is 389464802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 208464983 - 2¹² = 208460887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208464913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104232491 + 104232492.

It is an arithmetic number, because the mean of its divisors is an integer number (104232492).

Almost surely, 2^208464983 is an apocalyptic number.

208464983 is a deficient number, since it is larger than the sum of its proper divisors (1).

208464983 is an equidigital number, since it uses as much as digits as its factorization.

208464983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 208464983 is about 14438.3164877350. The cubic root of 208464983 is about 592.9403948064.

The spelling of 208464983 in words is "two hundred eight million, four hundred sixty-four thousand, nine hundred eighty-three".