206326481 has 8 divisors (see below), whose sum is σ = 210753600. Its totient is φ = 201930480.

The previous prime is 206326459. The next prime is 206326489. The reversal of 206326481 is 184623602.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206326481 is a prime.

It is a super-2 number, since 2×206326481² = 85141233523686722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206326489) 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, 5876 + ... + 21146.

It is an arithmetic number, because the mean of its divisors is an integer number (26344200).

Almost surely, 2^206326481 is an apocalyptic number.

It is an amenable number.

206326481 is a deficient number, since it is larger than the sum of its proper divisors (4427119).

206326481 is a wasteful number, since it uses less digits than its factorization.

206326481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15559.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 206326481 is about 14364.0690961858. The cubic root of 206326481 is about 590.9058964941.

The spelling of 206326481 in words is "two hundred six million, three hundred twenty-six thousand, four hundred eighty-one".