206901288 has 192 divisors, whose sum is σ = 657745920. Its totient is φ = 58544640.

The previous prime is 206901287. The next prime is 206901301. The reversal of 206901288 is 882109602.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (206901287) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1629081 + ... + 1629207.

It is an arithmetic number, because the mean of its divisors is an integer number (3425760).

Almost surely, 2^206901288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206901288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328872960).

206901288 is an abundant number, since it is smaller than the sum of its proper divisors (450844632).

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

206901288 is a wasteful number, since it uses less digits than its factorization.

206901288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 206901288 is about 14384.0636817278. The cubic root of 206901288 is about 591.4541245798.

The spelling of 206901288 in words is "two hundred six million, nine hundred one thousand, two hundred eighty-eight".