208947243 has 8 divisors (see below), whose sum is σ = 282413008. Its totient is φ = 137389824.

The previous prime is 208947239. The next prime is 208947247. The reversal of 208947243 is 342749802.

It is an interprime number because it is at equal distance from previous prime (208947239) and next prime (208947247).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 208947243 - 2² = 208947239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208947247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476830 + ... + 477267.

It is an arithmetic number, because the mean of its divisors is an integer number (35301626).

Almost surely, 2^208947243 is an apocalyptic number.

208947243 is a deficient number, since it is larger than the sum of its proper divisors (73465765).

208947243 is an equidigital number, since it uses as much as digits as its factorization.

208947243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954173.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 208947243 is about 14455.0075406414. The cubic root of 208947243 is about 593.3972760346.

The spelling of 208947243 in words is "two hundred eight million, nine hundred forty-seven thousand, two hundred forty-three".