206490849 has 8 divisors (see below), whose sum is σ = 287291712. Its totient is φ = 131675280.

The previous prime is 206490829. The next prime is 206490853. The reversal of 206490849 is 948094602.

206490849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 206490849 - 2¹¹ = 206488801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 206490849.

It is not an unprimeable number, because it can be changed into a prime (206490829) 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, 1496242 + ... + 1496379.

It is an arithmetic number, because the mean of its divisors is an integer number (35911464).

Almost surely, 2^206490849 is an apocalyptic number.

It is an amenable number.

206490849 is a deficient number, since it is larger than the sum of its proper divisors (80800863).

206490849 is a wasteful number, since it uses less digits than its factorization.

206490849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992647.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 206490849 is about 14369.7894556601. The cubic root of 206490849 is about 591.0627680048.

The spelling of 206490849 in words is "two hundred six million, four hundred ninety thousand, eight hundred forty-nine".