203228634 has 32 divisors (see below), whose sum is σ = 465163776. Its totient is φ = 57985200.

The previous prime is 203228629. The next prime is 203228651. The reversal of 203228634 is 436822302.

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 15 ways as a sum of consecutive naturals, for example, 31809 + ... + 37659.

It is an arithmetic number, because the mean of its divisors is an integer number (14536368).

Almost surely, 2^203228634 is an apocalyptic number.

203228634 is an abundant number, since it is smaller than the sum of its proper divisors (261935142).

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

203228634 is a wasteful number, since it uses less digits than its factorization.

203228634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6690.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 203228634 is about 14255.8280713538. The cubic root of 203228634 is about 587.9336254848.

The spelling of 203228634 in words is "two hundred three million, two hundred twenty-eight thousand, six hundred thirty-four".