197841315 has 64 divisors (see below), whose sum is σ = 374409216. Its totient is φ = 87340032.

The previous prime is 197841313. The next prime is 197841317. The reversal of 197841315 is 513148791.

It is an interprime number because it is at equal distance from previous prime (197841313) and next prime (197841317).

It is not a de Polignac number, because 197841315 - 2¹ = 197841313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197841311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 406002 + ... + 406488.

It is an arithmetic number, because the mean of its divisors is an integer number (5850144).

Almost surely, 2^197841315 is an apocalyptic number.

197841315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

197841315 is a deficient number, since it is larger than the sum of its proper divisors (176567901).

197841315 is a wasteful number, since it uses less digits than its factorization.

197841315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628.

The product of its digits is 30240, while the sum is 39.

The square root of 197841315 is about 14065.6075233173. The cubic root of 197841315 is about 582.6919210164.

The spelling of 197841315 in words is "one hundred ninety-seven million, eight hundred forty-one thousand, three hundred fifteen".