206982419 has 6 divisors (see below), whose sum is σ = 240775524. Its totient is φ = 177413460.

The previous prime is 206982401. The next prime is 206982427. The reversal of 206982419 is 914289602.

It is a de Polignac number, because none of the positive numbers 2^k-206982419 is a prime.

It is a super-2 number, since 2×206982419² = 85683443550183122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206982469) 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 5 ways as a sum of consecutive naturals, for example, 2112017 + ... + 2112114.

It is an arithmetic number, because the mean of its divisors is an integer number (40129254).

Almost surely, 2^206982419 is an apocalyptic number.

206982419 is a deficient number, since it is larger than the sum of its proper divisors (33793105).

206982419 is an equidigital number, since it uses as much as digits as its factorization.

206982419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224145 (or 4224138 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 206982419 is about 14386.8835749790. The cubic root of 206982419 is about 591.5314223005.

The spelling of 206982419 in words is "two hundred six million, nine hundred eighty-two thousand, four hundred nineteen".