671472198 has 24 divisors (see below), whose sum is σ = 1531428600. Its totient is φ = 212043744.

The previous prime is 671472181. The next prime is 671472203. The reversal of 671472198 is 891274176.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 981343 + ... + 982026.

It is an arithmetic number, because the mean of its divisors is an integer number (63809525).

Almost surely, 2^671472198 is an apocalyptic number.

671472198 is an abundant number, since it is smaller than the sum of its proper divisors (859956402).

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

671472198 is a wasteful number, since it uses less digits than its factorization.

671472198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963396 (or 1963393 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 671472198 is about 25912.7805918238. The cubic root of 671472198 is about 875.6744505573.

The spelling of 671472198 in words is "six hundred seventy-one million, four hundred seventy-two thousand, one hundred ninety-eight".