208914081 has 32 divisors (see below), whose sum is σ = 293314560. Its totient is φ = 132148800.

The previous prime is 208914073. The next prime is 208914089. The reversal of 208914081 is 180419802.

208914081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (208914073) and next prime (208914089).

It is not a de Polignac number, because 208914081 - 2³ = 208914073 is a prime.

It is a super-2 number, since 2×208914081² = 87290186480149122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (208914089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1093696 + ... + 1093886.

It is an arithmetic number, because the mean of its divisors is an integer number (9166080).

Almost surely, 2^208914081 is an apocalyptic number.

It is an amenable number.

208914081 is a deficient number, since it is larger than the sum of its proper divisors (84400479).

208914081 is a wasteful number, since it uses less digits than its factorization.

208914081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 208914081 is about 14453.8604185871. The cubic root of 208914081 is about 593.3658816958.

The spelling of 208914081 in words is "two hundred eight million, nine hundred fourteen thousand, eighty-one".