206098947 has 12 divisors (see below), whose sum is σ = 313367080. Its totient is φ = 130167648.

The previous prime is 206098933. The next prime is 206098951. The reversal of 206098947 is 749890602.

It is a happy number.

It is not a de Polignac number, because 206098947 - 2²⁰ = 205050371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206098967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 602458 + ... + 602799.

Almost surely, 2^206098947 is an apocalyptic number.

206098947 is a deficient number, since it is larger than the sum of its proper divisors (107268133).

206098947 is a wasteful number, since it uses less digits than its factorization.

206098947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205282 (or 1205279 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 206098947 is about 14356.1466626668. The cubic root of 206098947 is about 590.6886023049.

The spelling of 206098947 in words is "two hundred six million, ninety-eight thousand, nine hundred forty-seven".