19799372 has 6 divisors (see below), whose sum is σ = 34648908. Its totient is φ = 9899684.

The previous prime is 19799357. The next prime is 19799383. The reversal of 19799372 is 27399791.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2474918 + ... + 2474925.

It is an arithmetic number, because the mean of its divisors is an integer number (5774818).

Almost surely, 2^19799372 is an apocalyptic number.

It is an amenable number.

19799372 is a deficient number, since it is larger than the sum of its proper divisors (14849536).

19799372 is a wasteful number, since it uses less digits than its factorization.

19799372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949847 (or 4949845 counting only the distinct ones).

The product of its digits is 214326, while the sum is 47.

The square root of 19799372 is about 4449.6485254456. The cubic root of 19799372 is about 270.5310626790.

The spelling of 19799372 in words is "nineteen million, seven hundred ninety-nine thousand, three hundred seventy-two".