19797093 has 12 divisors (see below), whose sum is σ = 29023488. Its totient is φ = 13000680.

The previous prime is 19797091. The next prime is 19797097. The reversal of 19797093 is 39079791.

It is not a de Polignac number, because 19797093 - 2¹ = 19797091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19797091) 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, 15813 + ... + 17018.

It is an arithmetic number, because the mean of its divisors is an integer number (2418624).

Almost surely, 2^19797093 is an apocalyptic number.

It is an amenable number.

19797093 is a deficient number, since it is larger than the sum of its proper divisors (9226395).

19797093 is a wasteful number, since it uses less digits than its factorization.

19797093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32904 (or 32901 counting only the distinct ones).

The product of its (nonzero) digits is 107163, while the sum is 45.

The square root of 19797093 is about 4449.3924304336. The cubic root of 19797093 is about 270.5206824853.

The spelling of 19797093 in words is "nineteen million, seven hundred ninety-seven thousand, ninety-three".