19244197 has 16 divisors (see below), whose sum is σ = 23247360. Its totient is φ = 15579648.

The previous prime is 19244171. The next prime is 19244213. The reversal of 19244197 is 79144291.

It is not a de Polignac number, because 19244197 - 2¹¹ = 19242149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19244117) 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 15 ways as a sum of consecutive naturals, for example, 8533 + ... + 10549.

It is an arithmetic number, because the mean of its divisors is an integer number (1452960).

Almost surely, 2^19244197 is an apocalyptic number.

It is an amenable number.

19244197 is a deficient number, since it is larger than the sum of its proper divisors (4003163).

19244197 is a wasteful number, since it uses less digits than its factorization.

19244197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100.

The product of its digits is 18144, while the sum is 37.

The square root of 19244197 is about 4386.8208306244. The cubic root of 19244197 is about 267.9784873576.

The spelling of 19244197 in words is "nineteen million, two hundred forty-four thousand, one hundred ninety-seven".