206449814 has 4 divisors (see below), whose sum is σ = 309674724. Its totient is φ = 103224906.

The previous prime is 206449813. The next prime is 206449849. The reversal of 206449814 is 418944602.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206449813) 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 as a sum of consecutive naturals, namely, 51612452 + ... + 51612455.

It is an arithmetic number, because the mean of its divisors is an integer number (77418681).

Almost surely, 2^206449814 is an apocalyptic number.

206449814 is a deficient number, since it is larger than the sum of its proper divisors (103224910).

206449814 is a wasteful number, since it uses less digits than its factorization.

206449814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103224909.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 206449814 is about 14368.3615628227. The cubic root of 206449814 is about 591.0236123269.

The spelling of 206449814 in words is "two hundred six million, four hundred forty-nine thousand, eight hundred fourteen".