171480390 has 16 divisors (see below), whose sum is σ = 411553008. Its totient is φ = 45728096.

The previous prime is 171480371. The next prime is 171480391. The reversal of 171480390 is 93084171.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171480391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2857977 + ... + 2858036.

It is an arithmetic number, because the mean of its divisors is an integer number (25722063).

Almost surely, 2^171480390 is an apocalyptic number.

171480390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

171480390 is an abundant number, since it is smaller than the sum of its proper divisors (240072618).

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

171480390 is a wasteful number, since it uses less digits than its factorization.

171480390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5716023.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 171480390 is about 13095.0521190257. The cubic root of 171480390 is about 555.5691912357.

The spelling of 171480390 in words is "one hundred seventy-one million, four hundred eighty thousand, three hundred ninety".