10203966 has 24 divisors (see below), whose sum is σ = 22441224. Its totient is φ = 3350160.

The previous prime is 10203889. The next prime is 10203979. The reversal of 10203966 is 66930201.

It is a happy number.

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, 3025 + ... + 5436.

It is an arithmetic number, because the mean of its divisors is an integer number (935051).

Almost surely, 2^10203966 is an apocalyptic number.

10203966 is an abundant number, since it is smaller than the sum of its proper divisors (12237258).

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

10203966 is a wasteful number, since it uses less digits than its factorization.

10203966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8536 (or 8533 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 10203966 is about 3194.3647255753. The cubic root of 10203966 is about 216.8983929731.

The spelling of 10203966 in words is "ten million, two hundred three thousand, nine hundred sixty-six".