203871996 has 36 divisors (see below), whose sum is σ = 531969984. Its totient is φ = 65764800.

The previous prime is 203871979. The next prime is 203872003. The reversal of 203871996 is 699178302.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90225 + ... + 92456.

It is an arithmetic number, because the mean of its divisors is an integer number (14776944).

Almost surely, 2^203871996 is an apocalyptic number.

It is an amenable number.

203871996 is an abundant number, since it is smaller than the sum of its proper divisors (328097988).

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

203871996 is a wasteful number, since it uses less digits than its factorization.

203871996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182722 (or 182717 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 203871996 is about 14278.3751176386. The cubic root of 203871996 is about 588.5533801902.

The spelling of 203871996 in words is "two hundred three million, eight hundred seventy-one thousand, nine hundred ninety-six".