208014981 has 8 divisors (see below), whose sum is σ = 277887744. Its totient is φ = 138409440.

The previous prime is 208014977. The next prime is 208015039. The reversal of 208014981 is 189410802.

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

It is not a de Polignac number, because 208014981 - 2² = 208014977 is a prime.

It is a super-2 number, since 2×208014981² = 86540464640860722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208014181) 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, 64981 + ... + 68106.

It is an arithmetic number, because the mean of its divisors is an integer number (34735968).

Almost surely, 2^208014981 is an apocalyptic number.

It is an amenable number.

208014981 is a deficient number, since it is larger than the sum of its proper divisors (69872763).

208014981 is a wasteful number, since it uses less digits than its factorization.

208014981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133611.

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

The square root of 208014981 is about 14422.7244652319. The cubic root of 208014981 is about 592.5134380687.

The spelling of 208014981 in words is "two hundred eight million, fourteen thousand, nine hundred eighty-one".