206484851 has 4 divisors (see below), whose sum is σ = 207288552. Its totient is φ = 205681152.

The previous prime is 206484809. The next prime is 206484871. The reversal of 206484851 is 158484602.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 206484851 - 2¹⁴ = 206468467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206484871) 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, 401465 + ... + 401978.

It is an arithmetic number, because the mean of its divisors is an integer number (51822138).

Almost surely, 2^206484851 is an apocalyptic number.

206484851 is a deficient number, since it is larger than the sum of its proper divisors (803701).

206484851 is an equidigital number, since it uses as much as digits as its factorization.

206484851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803700.

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 206484851 is about 14369.5807524089. The cubic root of 206484851 is about 591.0570450251.

The spelling of 206484851 in words is "two hundred six million, four hundred eighty-four thousand, eight hundred fifty-one".