197928233 has 12 divisors (see below), whose sum is σ = 204703872. Its totient is φ = 191281800.

The previous prime is 197928221. The next prime is 197928253. The reversal of 197928233 is 332829791.

It is a happy number.

It is not a de Polignac number, because 197928233 - 2⁴ = 197928217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197928253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1185116 + ... + 1185282.

It is an arithmetic number, because the mean of its divisors is an integer number (17058656).

Almost surely, 2^197928233 is an apocalyptic number.

It is an amenable number.

197928233 is a deficient number, since it is larger than the sum of its proper divisors (6775639).

197928233 is an equidigital number, since it uses as much as digits as its factorization.

197928233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 365 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 197928233 is about 14068.6969190469. The cubic root of 197928233 is about 582.7772402386. Note that the first 3 decimals are identical.

The spelling of 197928233 in words is "one hundred ninety-seven million, nine hundred twenty-eight thousand, two hundred thirty-three".