206632379 has 2 divisors, whose sum is σ = 206632380. Its totient is φ = 206632378.

The previous prime is 206632357. The next prime is 206632403. The reversal of 206632379 is 973236602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206632379 - 2⁸ = 206632123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (206632339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103316189 + 103316190.

It is an arithmetic number, because the mean of its divisors is an integer number (103316190).

Almost surely, 2^206632379 is an apocalyptic number.

206632379 is a deficient number, since it is larger than the sum of its proper divisors (1).

206632379 is an equidigital number, since it uses as much as digits as its factorization.

206632379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 206632379 is about 14374.7131797473. The cubic root of 206632379 is about 591.1977764231.

The spelling of 206632379 in words is "two hundred six million, six hundred thirty-two thousand, three hundred seventy-nine".