203485916 has 6 divisors (see below), whose sum is σ = 356100360. Its totient is φ = 101742956.

The previous prime is 203485913. The next prime is 203485969. The reversal of 203485916 is 619584302.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 203485916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203485913) by changing a digit.

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 as a sum of consecutive naturals, namely, 25435736 + ... + 25435743.

It is an arithmetic number, because the mean of its divisors is an integer number (59350060).

Almost surely, 2^203485916 is an apocalyptic number.

It is an amenable number.

203485916 is a deficient number, since it is larger than the sum of its proper divisors (152614444).

203485916 is a wasteful number, since it uses less digits than its factorization.

203485916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50871483 (or 50871481 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 203485916 is about 14264.8489652011. The cubic root of 203485916 is about 588.1816235950.

The spelling of 203485916 in words is "two hundred three million, four hundred eighty-five thousand, nine hundred sixteen".