203402214 has 24 divisors (see below), whose sum is σ = 441096552. Its totient is φ = 67740480.

The previous prime is 203402153. The next prime is 203402231. The reversal of 203402214 is 412204302.

It is a Harshad number since it is a multiple of its sum of digits (18).

203402214 is a modest number, since divided by 2214 gives 2034 as remainder.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18862 + ... + 27614.

It is an arithmetic number, because the mean of its divisors is an integer number (18379023).

Almost surely, 2^203402214 is an apocalyptic number.

203402214 is an abundant number, since it is smaller than the sum of its proper divisors (237694338).

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

203402214 is a wasteful number, since it uses less digits than its factorization.

203402214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10052 (or 10049 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 203402214 is about 14261.9148083278. The cubic root of 203402214 is about 588.1009648921.

Adding to 203402214 its reverse (412204302), we get a palindrome (615606516).

The spelling of 203402214 in words is "two hundred three million, four hundred two thousand, two hundred fourteen".