203984164 has 6 divisors (see below), whose sum is σ = 356972294. Its totient is φ = 101992080.

The previous prime is 203984141. The next prime is 203984167. The reversal of 203984164 is 461489302.

It can be written as a sum of positive squares in only one way, i.e., 152028900 + 51955264 = 12330^2 + 7208^2 .

It is not an unprimeable number, because it can be changed into a prime (203984167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25498017 + ... + 25498024.

Almost surely, 2^203984164 is an apocalyptic number.

It is an amenable number.

203984164 is a deficient number, since it is larger than the sum of its proper divisors (152988130).

203984164 is a wasteful number, since it uses less digits than its factorization.

203984164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50996045 (or 50996043 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 203984164 is about 14282.3024754414. The cubic root of 203984164 is about 588.6612988080.

The spelling of 203984164 in words is "two hundred three million, nine hundred eighty-four thousand, one hundred sixty-four".