197242764 has 24 divisors (see below), whose sum is σ = 460462128. Its totient is φ = 65714880.

The previous prime is 197242753. The next prime is 197242769. The reversal of 197242764 is 467242791.

It is not an unprimeable number, because it can be changed into a prime (197242769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40374 + ... + 44994.

It is an arithmetic number, because the mean of its divisors is an integer number (19185922).

Almost surely, 2^197242764 is an apocalyptic number.

It is an amenable number.

197242764 is an abundant number, since it is smaller than the sum of its proper divisors (263219364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197242764 is a wasteful number, since it uses less digits than its factorization.

197242764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8185 (or 8183 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 197242764 is about 14044.3142944040. The cubic root of 197242764 is about 582.1037001835.

The spelling of 197242764 in words is "one hundred ninety-seven million, two hundred forty-two thousand, seven hundred sixty-four".