192383921 has 2 divisors, whose sum is σ = 192383922. Its totient is φ = 192383920.

The previous prime is 192383909. The next prime is 192383927. The reversal of 192383921 is 129383291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146143921 + 46240000 = 12089^2 + 6800^2 .

It is an emirp because it is prime and its reverse (129383291) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 192383921 - 2⁶ = 192383857 is a prime.

It is a pancake number, because a pancake can be divided into 192383921 parts by 19615 straight cuts.

It is not a weakly prime, because it can be changed into another prime (192383927) 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 as a sum of consecutive naturals, namely, 96191960 + 96191961.

It is an arithmetic number, because the mean of its divisors is an integer number (96191961).

Almost surely, 2^192383921 is an apocalyptic number.

It is an amenable number.

192383921 is a deficient number, since it is larger than the sum of its proper divisors (1).

192383921 is an equidigital number, since it uses as much as digits as its factorization.

192383921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 38.

The square root of 192383921 is about 13870.2530979070. The cubic root of 192383921 is about 577.2840928749.

The spelling of 192383921 in words is "one hundred ninety-two million, three hundred eighty-three thousand, nine hundred twenty-one".