90430171 has 8 divisors (see below), whose sum is σ = 98249760. Its totient is φ = 82733952.

The previous prime is 90430129. The next prime is 90430187. The reversal of 90430171 is 17103409.

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

It is a cyclic number.

It is not a de Polignac number, because 90430171 - 2²⁵ = 56875739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90430111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29311 + ... + 32248.

It is an arithmetic number, because the mean of its divisors is an integer number (12281220).

Almost surely, 2^90430171 is an apocalyptic number.

90430171 is a deficient number, since it is larger than the sum of its proper divisors (7819589).

90430171 is a wasteful number, since it uses less digits than its factorization.

90430171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61685.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 90430171 is about 9509.4779562287. The cubic root of 90430171 is about 448.8533291436.

It can be divided in two parts, 90430 and 171, that added together give a square (90601 = 301²).

The spelling of 90430171 in words is "ninety million, four hundred thirty thousand, one hundred seventy-one".