171340992 has 42 divisors (see below), whose sum is σ = 491119668. Its totient is φ = 57113472.

The previous prime is 171340987. The next prime is 171341017. The reversal of 171340992 is 299043171.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148158 + ... + 149309.

Almost surely, 2^171340992 is an apocalyptic number.

171340992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

171340992 is an abundant number, since it is smaller than the sum of its proper divisors (319778676).

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

171340992 is a wasteful number, since it uses less digits than its factorization.

171340992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297485 (or 297472 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 171340992 is about 13089.7284922186. The cubic root of 171340992 is about 555.4186079748.

The spelling of 171340992 in words is "one hundred seventy-one million, three hundred forty thousand, nine hundred ninety-two".