204878234 has 8 divisors (see below), whose sum is σ = 335255328. Its totient is φ = 93126460.

The previous prime is 204878207. The next prime is 204878263. The reversal of 204878234 is 432878402.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4656302 + ... + 4656345.

It is an arithmetic number, because the mean of its divisors is an integer number (41906916).

Almost surely, 2^204878234 is an apocalyptic number.

204878234 is a deficient number, since it is larger than the sum of its proper divisors (130377094).

204878234 is a wasteful number, since it uses less digits than its factorization.

204878234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9312660.

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 204878234 is about 14313.5681784802. The cubic root of 204878234 is about 589.5200866127.

The spelling of 204878234 in words is "two hundred four million, eight hundred seventy-eight thousand, two hundred thirty-four".