19799361 has 12 divisors (see below), whose sum is σ = 29208192. Its totient is φ = 12918456.

The previous prime is 19799357. The next prime is 19799383. The reversal of 19799361 is 16399791.

It is not a de Polignac number, because 19799361 - 2² = 19799357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19799341) by changing a digit.

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, 22981 + ... + 23826.

It is an arithmetic number, because the mean of its divisors is an integer number (2434016).

Almost surely, 2^19799361 is an apocalyptic number.

It is an amenable number.

19799361 is a deficient number, since it is larger than the sum of its proper divisors (9408831).

19799361 is a wasteful number, since it uses less digits than its factorization.

19799361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46860 (or 46857 counting only the distinct ones).

The product of its digits is 91854, while the sum is 45.

The square root of 19799361 is about 4449.6472893927. The cubic root of 19799361 is about 270.5310125790.

The spelling of 19799361 in words is "nineteen million, seven hundred ninety-nine thousand, three hundred sixty-one".