206802 has 12 divisors (see below), whose sum is σ = 448110. Its totient is φ = 68928.
The previous prime is 206783. The next prime is 206803. The reversal of 206802 is 208602.
It can be written as a sum of positive squares in only one way, i.e., 194481 + 12321 = 441^2 + 111^2 .
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11489 = 206802 / (2 + 0 + 6 + 8 + 0 + 2).
It is not an unprimeable number, because it can be changed into a prime (206803) by changing a digit.
206802 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5727 + ... + 5762.
2206802 is an apocalyptic number.
206802 is an abundant number, since it is smaller than the sum of its proper divisors (241308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
206802 is a wasteful number, since it uses less digits than its factorization.
206802 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11497 (or 11494 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 206802 is about 454.7548790283. The cubic root of 206802 is about 59.1359500240.
The spelling of 206802 in words is "two hundred six thousand, eight hundred two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.001 sec. • engine limits •