206488429 has 4 divisors (see below), whose sum is σ = 235986784. Its totient is φ = 176990076.

The previous prime is 206488421. The next prime is 206488483. The reversal of 206488429 is 924884602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 206488429 - 2³ = 206488421 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 (206488421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14749167 + ... + 14749180.

It is an arithmetic number, because the mean of its divisors is an integer number (58996696).

Almost surely, 2^206488429 is an apocalyptic number.

It is an amenable number.

206488429 is a deficient number, since it is larger than the sum of its proper divisors (29498355).

206488429 is an equidigital number, since it uses as much as digits as its factorization.

206488429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29498354.

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 206488429 is about 14369.7052509785. The cubic root of 206488429 is about 591.0604589800.

The spelling of 206488429 in words is "two hundred six million, four hundred eighty-eight thousand, four hundred twenty-nine".