206401798 has 8 divisors (see below), whose sum is σ = 309680280. Its totient is φ = 103175040.

The previous prime is 206401781. The next prime is 206401829. The reversal of 206401798 is 897104602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603 + ... + 20326.

It is an arithmetic number, because the mean of its divisors is an integer number (38710035).

Almost surely, 2^206401798 is an apocalyptic number.

206401798 is a deficient number, since it is larger than the sum of its proper divisors (103278482).

206401798 is a wasteful number, since it uses less digits than its factorization.

206401798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25862.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 206401798 is about 14366.6905722926. The cubic root of 206401798 is about 590.9777887769.

The spelling of 206401798 in words is "two hundred six million, four hundred one thousand, seven hundred ninety-eight".