192909493 has 12 divisors (see below), whose sum is σ = 221875680. Its totient is φ = 164301480.

The previous prime is 192909491. The next prime is 192909503. The reversal of 192909493 is 394909291.

It is not a de Polignac number, because 192909493 - 2¹ = 192909491 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 (192909491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 311338 + ... + 311956.

It is an arithmetic number, because the mean of its divisors is an integer number (18489640).

Almost surely, 2^192909493 is an apocalyptic number.

It is an amenable number.

192909493 is a deficient number, since it is larger than the sum of its proper divisors (28966187).

192909493 is an frugal number, since it uses more digits than its factorization.

192909493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 46.

The square root of 192909493 is about 13889.1861892625. The cubic root of 192909493 is about 577.8093073921.

The spelling of 192909493 in words is "one hundred ninety-two million, nine hundred nine thousand, four hundred ninety-three".