192940417 has 2 divisors, whose sum is σ = 192940418. Its totient is φ = 192940416.

The previous prime is 192940409. The next prime is 192940471. The reversal of 192940417 is 714049291.

Together with next prime (192940471) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156350016 + 36590401 = 12504^2 + 6049^2 .

It is a cyclic number.

It is not a de Polignac number, because 192940417 - 2³ = 192940409 is a prime.

It is not a weakly prime, because it can be changed into another prime (192940487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96470208 + 96470209.

It is an arithmetic number, because the mean of its divisors is an integer number (96470209).

Almost surely, 2^192940417 is an apocalyptic number.

It is an amenable number.

192940417 is a deficient number, since it is larger than the sum of its proper divisors (1).

192940417 is an equidigital number, since it uses as much as digits as its factorization.

192940417 is an evil number, because the sum of its binary digits is even.

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

The square root of 192940417 is about 13890.2993848225. The cubic root of 192940417 is about 577.8401806271.

The spelling of 192940417 in words is "one hundred ninety-two million, nine hundred forty thousand, four hundred seventeen".