206624049 has 4 divisors (see below), whose sum is σ = 275498736. Its totient is φ = 137749364.

The previous prime is 206624023. The next prime is 206624053. The reversal of 206624049 is 940426602.

It is a happy number.

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 206624049 - 2⁵ = 206624017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206624059) 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, 34437339 + ... + 34437344.

It is an arithmetic number, because the mean of its divisors is an integer number (68874684).

Almost surely, 2^206624049 is an apocalyptic number.

It is an amenable number.

206624049 is a deficient number, since it is larger than the sum of its proper divisors (68874687).

206624049 is an equidigital number, since it uses as much as digits as its factorization.

206624049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68874686.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 206624049 is about 14374.4234319155. The cubic root of 206624049 is about 591.1898319701.

The spelling of 206624049 in words is "two hundred six million, six hundred twenty-four thousand, forty-nine".