192940297 has 4 divisors (see below), whose sum is σ = 210480336. Its totient is φ = 175400260.

The previous prime is 192940289. The next prime is 192940313. The reversal of 192940297 is 792049291.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 792049291 = 11 ⋅72004481.

It is a cyclic number.

It is not a de Polignac number, because 192940297 - 2³ = 192940289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (192946297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8770003 + ... + 8770024.

It is an arithmetic number, because the mean of its divisors is an integer number (52620084).

Almost surely, 2^192940297 is an apocalyptic number.

It is an amenable number.

192940297 is a deficient number, since it is larger than the sum of its proper divisors (17540039).

192940297 is a wasteful number, since it uses less digits than its factorization.

192940297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17540038.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 192940297 is about 13890.2950652605. The cubic root of 192940297 is about 577.8400608304.

The spelling of 192940297 in words is "one hundred ninety-two million, nine hundred forty thousand, two hundred ninety-seven".