204633966 has 8 divisors (see below), whose sum is σ = 409267944. Its totient is φ = 68211320.

The previous prime is 204633959. The next prime is 204633973. The reversal of 204633966 is 669336402.

It is an interprime number because it is at equal distance from previous prime (204633959) and next prime (204633973).

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

204633966 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17052825 + ... + 17052836.

It is an arithmetic number, because the mean of its divisors is an integer number (51158493).

Almost surely, 2^204633966 is an apocalyptic number.

204633966 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.

204633966 is a wasteful number, since it uses less digits than its factorization.

204633966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34105666.

The product of its (nonzero) digits is 139968, while the sum is 39.

The square root of 204633966 is about 14305.0328905599. The cubic root of 204633966 is about 589.2857064862.

The spelling of 204633966 in words is "two hundred four million, six hundred thirty-three thousand, nine hundred sixty-six".