197862473 has 8 divisors (see below), whose sum is σ = 210129192. Its totient is φ = 185665536.

The previous prime is 197862463. The next prime is 197862487. The reversal of 197862473 is 374268791.

It can be written as a sum of positive squares in 4 ways, for example, as 11075584 + 186786889 = 3328^2 + 13667^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197862473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197862403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11540 + ... + 22997.

It is an arithmetic number, because the mean of its divisors is an integer number (26266149).

Almost surely, 2^197862473 is an apocalyptic number.

It is an amenable number.

197862473 is a deficient number, since it is larger than the sum of its proper divisors (12266719).

197862473 is a wasteful number, since it uses less digits than its factorization.

197862473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34891.

The product of its digits is 508032, while the sum is 47.

The square root of 197862473 is about 14066.3596214515. The cubic root of 197862473 is about 582.7126921349.

It can be divided in two parts, 19786 and 2473, that multiplied together give a triangular number (48930778 = T₉₈₉₂).

The spelling of 197862473 in words is "one hundred ninety-seven million, eight hundred sixty-two thousand, four hundred seventy-three".