206460893 has 2 divisors, whose sum is σ = 206460894. Its totient is φ = 206460892.

The previous prime is 206460833. The next prime is 206460907. The reversal of 206460893 is 398064602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105719524 + 100741369 = 10282^2 + 10037^2 .

It is a cyclic number.

It is not a de Polignac number, because 206460893 - 2¹² = 206456797 is a prime.

It is a super-2 number, since 2×206460893² = 85252200676714898, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206460823) 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 as a sum of consecutive naturals, namely, 103230446 + 103230447.

It is an arithmetic number, because the mean of its divisors is an integer number (103230447).

Almost surely, 2^206460893 is an apocalyptic number.

It is an amenable number.

206460893 is a deficient number, since it is larger than the sum of its proper divisors (1).

206460893 is an equidigital number, since it uses as much as digits as its factorization.

206460893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 206460893 is about 14368.7470922137. The cubic root of 206460893 is about 591.0341844418.

The spelling of 206460893 in words is "two hundred six million, four hundred sixty thousand, eight hundred ninety-three".