2005867206 has 32 divisors (see below), whose sum is σ = 5094266880. Its totient is φ = 573104808.

The previous prime is 2005867151. The next prime is 2005867207. The reversal of 2005867206 is 6027685002.

2005867206 is a `hidden beast` number, since 2 + 0 + 0 + 586 + 72 + 0 + 6 = 666.

It is a super-3 number, since 3×2005867206³ (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005867207) 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, 2652886 + ... + 2653641.

It is an arithmetic number, because the mean of its divisors is an integer number (159195840).

Almost surely, 2^2005867206 is an apocalyptic number.

2005867206 is an abundant number, since it is smaller than the sum of its proper divisors (3088399674).

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

2005867206 is a wasteful number, since it uses less digits than its factorization.

2005867206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5306545 (or 5306539 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 2005867206 is about 44786.9088685522. The cubic root of 2005867206 is about 1261.1518831436.

The spelling of 2005867206 in words is "two billion, five million, eight hundred sixty-seven thousand, two hundred six".