208950949 has 2 divisors, whose sum is σ = 208950950. Its totient is φ = 208950948.

The previous prime is 208950853. The next prime is 208950977. The reversal of 208950949 is 949059802.

208950949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121154049 + 87796900 = 11007^2 + 9370^2 .

It is a cyclic number.

It is not a de Polignac number, because 208950949 - 2¹⁵ = 208918181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 208950899 and 208950908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208950449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104475474 + 104475475.

It is an arithmetic number, because the mean of its divisors is an integer number (104475475).

Almost surely, 2^208950949 is an apocalyptic number.

It is an amenable number.

208950949 is a deficient number, since it is larger than the sum of its proper divisors (1).

208950949 is an equidigital number, since it uses as much as digits as its factorization.

208950949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 208950949 is about 14455.1357309435. The cubic root of 208950949 is about 593.4007842843.

The spelling of 208950949 in words is "two hundred eight million, nine hundred fifty thousand, nine hundred forty-nine".