203406868 has 12 divisors (see below), whose sum is σ = 406813792. Its totient is φ = 87174360.

The previous prime is 203406859. The next prime is 203406877. The reversal of 203406868 is 868604302.

203406868 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (203406859) and next prime (203406877).

203406868 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3632238 + ... + 3632293.

Almost surely, 2^203406868 is an apocalyptic number.

203406868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

203406868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

203406868 is a wasteful number, since it uses less digits than its factorization.

203406868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7264542 (or 7264540 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 203406868 is about 14262.0779692161. The cubic root of 203406868 is about 588.1054502595.

The spelling of 203406868 in words is "two hundred three million, four hundred six thousand, eight hundred sixty-eight".