206928367 has 2 divisors, whose sum is σ = 206928368. Its totient is φ = 206928366.

The previous prime is 206928269. The next prime is 206928419. The reversal of 206928367 is 763829602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206928367 - 2²⁷ = 72710639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206928467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103464183 + 103464184.

It is an arithmetic number, because the mean of its divisors is an integer number (103464184).

Almost surely, 2^206928367 is an apocalyptic number.

206928367 is a deficient number, since it is larger than the sum of its proper divisors (1).

206928367 is an equidigital number, since it uses as much as digits as its factorization.

206928367 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 206928367 is about 14385.0049356961. The cubic root of 206928367 is about 591.4799263969.

The spelling of 206928367 in words is "two hundred six million, nine hundred twenty-eight thousand, three hundred sixty-seven".