204602993 has 4 divisors (see below), whose sum is σ = 233832000. Its totient is φ = 175373988.

The previous prime is 204602977. The next prime is 204603017. The reversal of 204602993 is 399206402.

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 204602993 - 2⁴ = 204602977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (204602903) 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, 14614493 + ... + 14614506.

It is an arithmetic number, because the mean of its divisors is an integer number (58458000).

Almost surely, 2^204602993 is an apocalyptic number.

It is an amenable number.

204602993 is a deficient number, since it is larger than the sum of its proper divisors (29229007).

204602993 is an equidigital number, since it uses as much as digits as its factorization.

204602993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29229006.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 204602993 is about 14303.9502585824. The cubic root of 204602993 is about 589.2559739390.

The spelling of 204602993 in words is "two hundred four million, six hundred two thousand, nine hundred ninety-three".