208849441 has 4 divisors (see below), whose sum is σ = 208997632. Its totient is φ = 208701252.

The previous prime is 208849397. The next prime is 208849469. The reversal of 208849441 is 144948802.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 144948802 = 2 ⋅72474401.

It is a cyclic number.

It is not a de Polignac number, because 208849441 - 2⁷ = 208849313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 208849394 and 208849403.

It is not an unprimeable number, because it can be changed into a prime (208849481) 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, 71961 + ... + 74806.

It is an arithmetic number, because the mean of its divisors is an integer number (52249408).

Almost surely, 2^208849441 is an apocalyptic number.

It is an amenable number.

208849441 is a deficient number, since it is larger than the sum of its proper divisors (148191).

208849441 is a wasteful number, since it uses less digits than its factorization.

208849441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148190.

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 208849441 is about 14451.6241647782. The cubic root of 208849441 is about 593.3046777040.

It can be divided in two parts, 208849 and 441, that multiplied together give a square (92102409 = 9597²).

The spelling of 208849441 in words is "two hundred eight million, eight hundred forty-nine thousand, four hundred forty-one".