206887450 has 192 divisors, whose sum is σ = 530323200. Its totient is φ = 58060800.

The previous prime is 206887441. The next prime is 206887451. The reversal of 206887450 is 54788602.

It is not an unprimeable number, because it can be changed into a prime (206887451) 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 95 ways as a sum of consecutive naturals, for example, 1897996 + ... + 1898104.

It is an arithmetic number, because the mean of its divisors is an integer number (2762100).

Almost surely, 2^206887450 is an apocalyptic number.

206887450 is an abundant number, since it is smaller than the sum of its proper divisors (323435750).

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

206887450 is a wasteful number, since it uses less digits than its factorization.

206887450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 206887450 is about 14383.5826552358. The cubic root of 206887450 is about 591.4409383809.

The spelling of 206887450 in words is "two hundred six million, eight hundred eighty-seven thousand, four hundred fifty".