206910801 has 16 divisors (see below), whose sum is σ = 306789120. Its totient is φ = 137826000.

The previous prime is 206910799. The next prime is 206910811. The reversal of 206910801 is 108019602.

It is not a de Polignac number, because 206910801 - 2¹ = 206910799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (206910811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41176 + ... + 45926.

It is an arithmetic number, because the mean of its divisors is an integer number (19174320).

Almost surely, 2^206910801 is an apocalyptic number.

It is an amenable number.

206910801 is a deficient number, since it is larger than the sum of its proper divisors (99878319).

206910801 is a wasteful number, since it uses less digits than its factorization.

206910801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6373 (or 6367 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 206910801 is about 14384.3943563850. The cubic root of 206910801 is about 591.4631891550.

The spelling of 206910801 in words is "two hundred six million, nine hundred ten thousand, eight hundred one".