197594238 has 32 divisors (see below), whose sum is σ = 400667904. Its totient is φ = 64956672.

The previous prime is 197594231. The next prime is 197594249. The reversal of 197594238 is 832495791.

Its product of digits (544320) is a multiple of the sum of its prime divisors (1296).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197594231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271431 + ... + 272157.

It is an arithmetic number, because the mean of its divisors is an integer number (12520872).

Almost surely, 2^197594238 is an apocalyptic number.

197594238 is an abundant number, since it is smaller than the sum of its proper divisors (203073666).

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

197594238 is a wasteful number, since it uses less digits than its factorization.

197594238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296.

The product of its digits is 544320, while the sum is 48.

The square root of 197594238 is about 14056.8217602700. The cubic root of 197594238 is about 582.4492522117.

The spelling of 197594238 in words is "one hundred ninety-seven million, five hundred ninety-four thousand, two hundred thirty-eight".