19830474 has 16 divisors (see below), whose sum is σ = 44067840. Its totient is φ = 6610140.

The previous prime is 19830467. The next prime is 19830491. The reversal of 19830474 is 47403891.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 183562 + ... + 183669.

It is an arithmetic number, because the mean of its divisors is an integer number (2754240).

Almost surely, 2^19830474 is an apocalyptic number.

19830474 is an abundant number, since it is smaller than the sum of its proper divisors (24237366).

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

19830474 is a wasteful number, since it uses less digits than its factorization.

19830474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367242 (or 367236 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 19830474 is about 4453.1420368095. The cubic root of 19830474 is about 270.6726438562.

The spelling of 19830474 in words is "nineteen million, eight hundred thirty thousand, four hundred seventy-four".