197842293 has 24 divisors (see below), whose sum is σ = 320183136. Its totient is φ = 116661600.

The previous prime is 197842291. The next prime is 197842327. The reversal of 197842293 is 392248791.

It is not a de Polignac number, because 197842293 - 2¹ = 197842291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197842291) 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 23 ways as a sum of consecutive naturals, for example, 23343 + ... + 30668.

It is an arithmetic number, because the mean of its divisors is an integer number (13340964).

Almost surely, 2^197842293 is an apocalyptic number.

It is an amenable number.

197842293 is a deficient number, since it is larger than the sum of its proper divisors (122340843).

197842293 is a wasteful number, since it uses less digits than its factorization.

197842293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54065 (or 54062 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 197842293 is about 14065.6422889252. The cubic root of 197842293 is about 582.6928811659.

It can be divided in two parts, 197842 and 293, that added together give a triangular number (198135 = T₆₂₉).

The spelling of 197842293 in words is "one hundred ninety-seven million, eight hundred forty-two thousand, two hundred ninety-three".