197496243 has 24 divisors (see below), whose sum is σ = 327701088. Its totient is φ = 112275072.

The previous prime is 197496197. The next prime is 197496301. The reversal of 197496243 is 342694791.

It is a happy number.

197496243 is a `hidden beast` number, since 19 + 7 + 4 + 9 + 624 + 3 = 666.

It is not a de Polignac number, because 197496243 - 2¹⁸ = 197234099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197496643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4455 + ... + 20367.

It is an arithmetic number, because the mean of its divisors is an integer number (13654212).

Almost surely, 2^197496243 is an apocalyptic number.

197496243 is a deficient number, since it is larger than the sum of its proper divisors (130204845).

197496243 is a wasteful number, since it uses less digits than its factorization.

197496243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16123 (or 16120 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 197496243 is about 14053.3356538581. The cubic root of 197496243 is about 582.3529495508.

The spelling of 197496243 in words is "one hundred ninety-seven million, four hundred ninety-six thousand, two hundred forty-three".