971248198 has 8 divisors (see below), whose sum is σ = 1460618640. Its totient is φ = 484375320.

The previous prime is 971248177. The next prime is 971248231. The reversal of 971248198 is 891842179.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 623418 + ... + 624973.

It is an arithmetic number, because the mean of its divisors is an integer number (182577330).

Almost surely, 2^971248198 is an apocalyptic number.

971248198 is a deficient number, since it is larger than the sum of its proper divisors (489370442).

971248198 is a wasteful number, since it uses less digits than its factorization.

971248198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248782.

The product of its digits is 290304, while the sum is 49.

The square root of 971248198 is about 31164.8551737370. The cubic root of 971248198 is about 990.3227183109.

The spelling of 971248198 in words is "nine hundred seventy-one million, two hundred forty-eight thousand, one hundred ninety-eight".