206102399 has 8 divisors (see below), whose sum is σ = 211762320. Its totient is φ = 200514816.

The previous prime is 206102383. The next prime is 206102401. The reversal of 206102399 is 993201602.

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

It is a cyclic number.

It is not a de Polignac number, because 206102399 - 2⁴ = 206102383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206102359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12284 + ... + 23729.

It is an arithmetic number, because the mean of its divisors is an integer number (26470290).

Almost surely, 2^206102399 is an apocalyptic number.

206102399 is a deficient number, since it is larger than the sum of its proper divisors (5659921).

206102399 is an equidigital number, since it uses as much as digits as its factorization.

206102399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36169.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 206102399 is about 14356.2668894110. The cubic root of 206102399 is about 590.6919001475.

The spelling of 206102399 in words is "two hundred six million, one hundred two thousand, three hundred ninety-nine".