208341381 has 4 divisors (see below), whose sum is σ = 277788512. Its totient is φ = 138894252.

The previous prime is 208341373. The next prime is 208341389. The reversal of 208341381 is 183143802.

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 an interprime number because it is at equal distance from previous prime (208341373) and next prime (208341389).

It is not a de Polignac number, because 208341381 - 2³ = 208341373 is a prime.

It is a super-2 number, since 2×208341381² = 86812262073974322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208341389) 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, 34723561 + ... + 34723566.

It is an arithmetic number, because the mean of its divisors is an integer number (69447128).

Almost surely, 2^208341381 is an apocalyptic number.

It is an amenable number.

208341381 is a deficient number, since it is larger than the sum of its proper divisors (69447131).

208341381 is an equidigital number, since it uses as much as digits as its factorization.

208341381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69447130.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 208341381 is about 14434.0355063994. The cubic root of 208341381 is about 592.8231839012.

The spelling of 208341381 in words is "two hundred eight million, three hundred forty-one thousand, three hundred eighty-one".