19903014 has 24 divisors (see below), whose sum is σ = 43215120. Its totient is φ = 6620208.

The previous prime is 19903007. The next prime is 19903021. The reversal of 19903014 is 41030991.

It is an interprime number because it is at equal distance from previous prime (19903007) and next prime (19903021).

It is a super-2 number, since 2×19903014² = 792259932568392, which contains 22 as substring.

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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10792 + ... + 12500.

It is an arithmetic number, because the mean of its divisors is an integer number (1800630).

Almost surely, 2^19903014 is an apocalyptic number.

19903014 is an abundant number, since it is smaller than the sum of its proper divisors (23312106).

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

19903014 is a wasteful number, since it uses less digits than its factorization.

19903014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364 (or 2361 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 19903014 is about 4461.2794129039. The cubic root of 19903014 is about 271.0022829925.

The spelling of 19903014 in words is "nineteen million, nine hundred three thousand, fourteen".