197315382 has 32 divisors (see below), whose sum is σ = 431910144. Its totient is φ = 59597600.

The previous prime is 197315381. The next prime is 197315387. The reversal of 197315382 is 283513791.

It is a self number, because there is not a number n which added to its sum of digits gives 197315382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197315381) 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, 16207 + ... + 25637.

It is an arithmetic number, because the mean of its divisors is an integer number (13497192).

Almost surely, 2^197315382 is an apocalyptic number.

197315382 is an abundant number, since it is smaller than the sum of its proper divisors (234594762).

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

197315382 is a wasteful number, since it uses less digits than its factorization.

197315382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9764.

The product of its digits is 45360, while the sum is 39.

The square root of 197315382 is about 14046.8993731713. The cubic root of 197315382 is about 582.1751282706.

The spelling of 197315382 in words is "one hundred ninety-seven million, three hundred fifteen thousand, three hundred eighty-two".