208340893 has 4 divisors (see below), whose sum is σ = 208885248. Its totient is φ = 207796540.

The previous prime is 208340879. The next prime is 208340897. The reversal of 208340893 is 398043802.

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 208340893 - 2⁹ = 208340381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208340897) 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, 271603 + ... + 272368.

It is an arithmetic number, because the mean of its divisors is an integer number (52221312).

Almost surely, 2^208340893 is an apocalyptic number.

It is an amenable number.

208340893 is a deficient number, since it is larger than the sum of its proper divisors (544355).

208340893 is an equidigital number, since it uses as much as digits as its factorization.

208340893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544354.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 208340893 is about 14434.0186019002. The cubic root of 208340893 is about 592.8227210424.

The spelling of 208340893 in words is "two hundred eight million, three hundred forty thousand, eight hundred ninety-three".