208234979 has 2 divisors, whose sum is σ = 208234980. Its totient is φ = 208234978.

The previous prime is 208234973. The next prime is 208235011. The reversal of 208234979 is 979432802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 208234979 - 2⁴ = 208234963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (208234973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104117489 + 104117490.

It is an arithmetic number, because the mean of its divisors is an integer number (104117490).

Almost surely, 2^208234979 is an apocalyptic number.

208234979 is a deficient number, since it is larger than the sum of its proper divisors (1).

208234979 is an equidigital number, since it uses as much as digits as its factorization.

208234979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 208234979 is about 14430.3492334732. The cubic root of 208234979 is about 592.7222464985.

The spelling of 208234979 in words is "two hundred eight million, two hundred thirty-four thousand, nine hundred seventy-nine".