171996948 has 36 divisors (see below), whose sum is σ = 437452288. Its totient is φ = 56978640.

The previous prime is 171996917. The next prime is 171996953. The reversal of 171996948 is 849699171.

171996948 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 171996894 and 171996903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8788 + ... + 20523.

Almost surely, 2^171996948 is an apocalyptic number.

171996948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

171996948 is an abundant number, since it is smaller than the sum of its proper divisors (265455340).

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

171996948 is a wasteful number, since it uses less digits than its factorization.

171996948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29484 (or 29479 counting only the distinct ones).

The product of its digits is 979776, while the sum is 54.

The square root of 171996948 is about 13114.7606916787. The cubic root of 171996948 is about 556.1264872759.

The spelling of 171996948 in words is "one hundred seventy-one million, nine hundred ninety-six thousand, nine hundred forty-eight".