204470697 has 4 divisors (see below), whose sum is σ = 272627600. Its totient is φ = 136313796.

The previous prime is 204470681. The next prime is 204470711. The reversal of 204470697 is 796074402.

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 not a de Polignac number, because 204470697 - 2⁴ = 204470681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204470197) 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 3 ways as a sum of consecutive naturals, for example, 34078447 + ... + 34078452.

It is an arithmetic number, because the mean of its divisors is an integer number (68156900).

Almost surely, 2^204470697 is an apocalyptic number.

It is an amenable number.

204470697 is a deficient number, since it is larger than the sum of its proper divisors (68156903).

204470697 is an equidigital number, since it uses as much as digits as its factorization.

204470697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68156902.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 204470697 is about 14299.3250540017. The cubic root of 204470697 is about 589.1289425349.

The spelling of 204470697 in words is "two hundred four million, four hundred seventy thousand, six hundred ninety-seven".