206049258 has 40 divisors (see below), whose sum is σ = 466057152. Its totient is φ = 68035464.

The previous prime is 206049253. The next prime is 206049271. The reversal of 206049258 is 852940602.

It is a happy number.

206049258 is a `hidden beast` number, since 20 + 604 + 9 + 25 + 8 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (206049253) 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 19 ways as a sum of consecutive naturals, for example, 11391 + ... + 23277.

Almost surely, 2^206049258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206049258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233028576).

206049258 is an abundant number, since it is smaller than the sum of its proper divisors (260007894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206049258 is a wasteful number, since it uses less digits than its factorization.

206049258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12008 (or 11999 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 206049258 is about 14354.4159755805. The cubic root of 206049258 is about 590.6411282066.

The spelling of 206049258 in words is "two hundred six million, forty-nine thousand, two hundred fifty-eight".