90410871 has 4 divisors (see below), whose sum is σ = 120547832. Its totient is φ = 60273912.

The previous prime is 90410867. The next prime is 90410899. The reversal of 90410871 is 17801409.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 90410871 - 2² = 90410867 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90410851) 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 3 ways as a sum of consecutive naturals, for example, 15068476 + ... + 15068481.

It is an arithmetic number, because the mean of its divisors is an integer number (30136958).

Almost surely, 2^90410871 is an apocalyptic number.

90410871 is a deficient number, since it is larger than the sum of its proper divisors (30136961).

90410871 is a wasteful number, since it uses less digits than its factorization.

90410871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30136960.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 90410871 is about 9508.4631250271. The cubic root of 90410871 is about 448.8213947957.

The spelling of 90410871 in words is "ninety million, four hundred ten thousand, eight hundred seventy-one".