204280485 has 8 divisors (see below), whose sum is σ = 326848800. Its totient is φ = 108949584.

The previous prime is 204280481. The next prime is 204280493. The reversal of 204280485 is 584082402.

It is a happy number.

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

It is not a de Polignac number, because 204280485 - 2² = 204280481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204280481) 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, 6809335 + ... + 6809364.

It is an arithmetic number, because the mean of its divisors is an integer number (40856100).

Almost surely, 2^204280485 is an apocalyptic number.

It is an amenable number.

204280485 is a deficient number, since it is larger than the sum of its proper divisors (122568315).

204280485 is a wasteful number, since it uses less digits than its factorization.

204280485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13618707.

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 204280485 is about 14292.6724233084. The cubic root of 204280485 is about 588.9462037816.

The spelling of 204280485 in words is "two hundred four million, two hundred eighty thousand, four hundred eighty-five".