171383996 has 48 divisors (see below), whose sum is σ = 361439232. Its totient is φ = 69552000.

The previous prime is 171383983. The next prime is 171384001. The reversal of 171383996 is 699383171.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 171383996.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38696 + ... + 42896.

It is an arithmetic number, because the mean of its divisors is an integer number (7529984).

Almost surely, 2^171383996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 171383996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180719616).

171383996 is an abundant number, since it is smaller than the sum of its proper divisors (190055236).

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

171383996 is a wasteful number, since it uses less digits than its factorization.

171383996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290 (or 4288 counting only the distinct ones).

The product of its digits is 244944, while the sum is 47.

The square root of 171383996 is about 13091.3710511925. The cubic root of 171383996 is about 555.4650713139.

The spelling of 171383996 in words is "one hundred seventy-one million, three hundred eighty-three thousand, nine hundred ninety-six".