206493733 has 4 divisors (see below), whose sum is σ = 206682048. Its totient is φ = 206305420.

The previous prime is 206493731. The next prime is 206493739. The reversal of 206493733 is 337394602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 337394602 = 2 ⋅168697301.

It is a cyclic number.

It is not a de Polignac number, because 206493733 - 2¹ = 206493731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206493692 and 206493701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206493731) 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 3 ways as a sum of consecutive naturals, for example, 92503 + ... + 94708.

It is an arithmetic number, because the mean of its divisors is an integer number (51670512).

Almost surely, 2^206493733 is an apocalyptic number.

It is an amenable number.

206493733 is a deficient number, since it is larger than the sum of its proper divisors (188315).

206493733 is a wasteful number, since it uses less digits than its factorization.

206493733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188314.

The product of its (nonzero) digits is 81648, while the sum is 37.

The square root of 206493733 is about 14369.8898047271. The cubic root of 206493733 is about 591.0655197282.

The spelling of 206493733 in words is "two hundred six million, four hundred ninety-three thousand, seven hundred thirty-three".