206427347 has 16 divisors (see below), whose sum is σ = 243110400. Its totient is φ = 175189896.

The previous prime is 206427341. The next prime is 206427367. The reversal of 206427347 is 743724602.

It is not a de Polignac number, because 206427347 - 2¹² = 206423251 is a prime.

It is a super-2 number, since 2×206427347² = 85224499178916818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206427341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32408 + ... + 38250.

It is an arithmetic number, because the mean of its divisors is an integer number (15194400).

Almost surely, 2^206427347 is an apocalyptic number.

206427347 is a deficient number, since it is larger than the sum of its proper divisors (36683053).

206427347 is an equidigital number, since it uses as much as digits as its factorization.

206427347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5967 (or 5953 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 206427347 is about 14367.5797196327. The cubic root of 206427347 is about 591.0021720731.

The spelling of 206427347 in words is "two hundred six million, four hundred twenty-seven thousand, three hundred forty-seven".