204031634 has 8 divisors (see below), whose sum is σ = 308281788. Its totient is φ = 101271040.

The previous prime is 204031601. The next prime is 204031657. The reversal of 204031634 is 436130402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 179479609 + 24552025 = 13397^2 + 4955^2 .

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372047 + ... + 372594.

Almost surely, 2^204031634 is an apocalyptic number.

204031634 is a deficient number, since it is larger than the sum of its proper divisors (104250154).

204031634 is a wasteful number, since it uses less digits than its factorization.

204031634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744780.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 204031634 is about 14283.9642256623. The cubic root of 204031634 is about 588.7069585362.

The spelling of 204031634 in words is "two hundred four million, thirty-one thousand, six hundred thirty-four".