172196898 has 8 divisors (see below), whose sum is σ = 344393808. Its totient is φ = 57398964.

The previous prime is 172196881. The next prime is 172196911. The reversal of 172196898 is 898691271.

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

172196898 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 172196898.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14349736 + ... + 14349747.

It is an arithmetic number, because the mean of its divisors is an integer number (43049226).

Almost surely, 2^172196898 is an apocalyptic number.

172196898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

172196898 is a wasteful number, since it uses less digits than its factorization.

172196898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28699488.

The product of its digits is 435456, while the sum is 51.

The square root of 172196898 is about 13122.3815673833. The cubic root of 172196898 is about 556.3419066587.

The spelling of 172196898 in words is "one hundred seventy-two million, one hundred ninety-six thousand, eight hundred ninety-eight".