206906002 has 8 divisors (see below), whose sum is σ = 310884156. Its totient is φ = 103277952.

The previous prime is 206905973. The next prime is 206906003. The reversal of 206906002 is 200609602.

It can be written as a sum of positive squares in 2 ways, for example, as 200760561 + 6145441 = 14169^2 + 2479^2 .

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

It is not an unprimeable number, because it can be changed into a prime (206906003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86043 + ... + 88414.

Almost surely, 2^206906002 is an apocalyptic number.

206906002 is a deficient number, since it is larger than the sum of its proper divisors (103978154).

206906002 is a wasteful number, since it uses less digits than its factorization.

206906002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175052.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 206906002 is about 14384.2275426941. The cubic root of 206906002 is about 591.4586164055.

The spelling of 206906002 in words is "two hundred six million, nine hundred six thousand, two".