204279402 has 8 divisors (see below), whose sum is σ = 408558816. Its totient is φ = 68093132.

The previous prime is 204279389. The next prime is 204279403. The reversal of 204279402 is 204972402.

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

204279402 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 204279402.

It is not an unprimeable number, because it can be changed into a prime (204279403) by changing a digit.

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, 17023278 + ... + 17023289.

It is an arithmetic number, because the mean of its divisors is an integer number (51069852).

Almost surely, 2^204279402 is an apocalyptic number.

204279402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204279402 is a wasteful number, since it uses less digits than its factorization.

204279402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34046572.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 204279402 is about 14292.6345367116. The cubic root of 204279402 is about 588.9451630070.

The spelling of 204279402 in words is "two hundred four million, two hundred seventy-nine thousand, four hundred two".