19794330 has 24 divisors (see below), whose sum is σ = 51465492. Its totient is φ = 5278464.

The previous prime is 19794311. The next prime is 19794361. The reversal of 19794330 is 3349791.

It can be written as a sum of positive squares in 2 ways, for example, as 19793601 + 729 = 4449^2 + 27^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109879 + ... + 110058.

Almost surely, 2^19794330 is an apocalyptic number.

19794330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19794330 is an abundant number, since it is smaller than the sum of its proper divisors (31671162).

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

19794330 is a wasteful number, since it uses less digits than its factorization.

19794330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219950 (or 219947 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 19794330 is about 4449.0819277689. The cubic root of 19794330 is about 270.5080967415.

The spelling of 19794330 in words is "nineteen million, seven hundred ninety-four thousand, three hundred thirty".