206990950 has 48 divisors (see below), whose sum is σ = 398974464. Its totient is φ = 79833600.

The previous prime is 206990947. The next prime is 206990957. The reversal of 206990950 is 59099602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206990957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234510 + ... + 235390.

It is an arithmetic number, because the mean of its divisors is an integer number (8311968).

Almost surely, 2^206990950 is an apocalyptic number.

206990950 is a deficient number, since it is larger than the sum of its proper divisors (191983514).

206990950 is a wasteful number, since it uses less digits than its factorization.

206990950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057 (or 1052 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 206990950 is about 14387.1800572593. The cubic root of 206990950 is about 591.5395490539.

The spelling of 206990950 in words is "two hundred six million, nine hundred ninety thousand, nine hundred fifty".