19399348 has 12 divisors (see below), whose sum is σ = 33987492. Its totient is φ = 9688640.

The previous prime is 19399343. The next prime is 19399349. The reversal of 19399348 is 84399391.

It can be written as a sum of positive squares in 2 ways, for example, as 11035684 + 8363664 = 3322^2 + 2892^2 .

It is a junction number, because it is equal to n+sod(n) for n = 19399298 and 19399307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19399343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2178 + ... + 6598.

It is an arithmetic number, because the mean of its divisors is an integer number (2832291).

Almost surely, 2^19399348 is an apocalyptic number.

It is an amenable number.

19399348 is a deficient number, since it is larger than the sum of its proper divisors (14588144).

19399348 is a wasteful number, since it uses less digits than its factorization.

19399348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5522 (or 5520 counting only the distinct ones).

The product of its digits is 209952, while the sum is 46.

The square root of 19399348 is about 4404.4690939999. The cubic root of 19399348 is about 268.6967280024.

The spelling of 19399348 in words is "nineteen million, three hundred ninety-nine thousand, three hundred forty-eight".