208950947 has 4 divisors (see below), whose sum is σ = 209210040. Its totient is φ = 208691856.

The previous prime is 208950853. The next prime is 208950949. The reversal of 208950947 is 749059802.

It is a happy number.

208950947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 208950947 - 2¹⁸ = 208688803 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 208950898 and 208950907.

It is not an unprimeable number, because it can be changed into a prime (208950949) 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, 128333 + ... + 129950.

It is an arithmetic number, because the mean of its divisors is an integer number (52302510).

Almost surely, 2^208950947 is an apocalyptic number.

208950947 is a deficient number, since it is larger than the sum of its proper divisors (259093).

208950947 is an equidigital number, since it uses as much as digits as its factorization.

208950947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259092.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 208950947 is about 14455.1356617640. The cubic root of 208950947 is about 593.4007823910.

The spelling of 208950947 in words is "two hundred eight million, nine hundred fifty thousand, nine hundred forty-seven".