206290733 has 16 divisors (see below), whose sum is σ = 250827840. Its totient is φ = 167212800.

The previous prime is 206290663. The next prime is 206290739. The reversal of 206290733 is 337092602.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 206290733 - 2¹² = 206286637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 206290733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206290739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25478 + ... + 32583.

It is an arithmetic number, because the mean of its divisors is an integer number (15676740).

Almost surely, 2^206290733 is an apocalyptic number.

It is an amenable number.

206290733 is a deficient number, since it is larger than the sum of its proper divisors (44537107).

206290733 is a wasteful number, since it uses less digits than its factorization.

206290733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58108.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 206290733 is about 14362.8246873656. The cubic root of 206290733 is about 590.8717678582.

The spelling of 206290733 in words is "two hundred six million, two hundred ninety thousand, seven hundred thirty-three".