206429799 has 16 divisors (see below), whose sum is σ = 283105152. Its totient is φ = 133720608.

The previous prime is 206429791. The next prime is 206429809. The reversal of 206429799 is 997924602.

It is not a de Polignac number, because 206429799 - 2³ = 206429791 is a prime.

It is a super-2 number, since 2×206429799² = 85226523830360802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206429791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21352 + ... + 29474.

It is an arithmetic number, because the mean of its divisors is an integer number (17694072).

Almost surely, 2^206429799 is an apocalyptic number.

206429799 is a deficient number, since it is larger than the sum of its proper divisors (76675353).

206429799 is a wasteful number, since it uses less digits than its factorization.

206429799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8366.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 206429799 is about 14367.6650503831. The cubic root of 206429799 is about 591.0045120919.

The spelling of 206429799 in words is "two hundred six million, four hundred twenty-nine thousand, seven hundred ninety-nine".