90089071 has 8 divisors (see below), whose sum is σ = 92345904. Its totient is φ = 87859200.

The previous prime is 90089063. The next prime is 90089099. The reversal of 90089071 is 17098009.

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 90089071 - 2³ = 90089063 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 (90089011) 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, 111 + ... + 13423.

It is an arithmetic number, because the mean of its divisors is an integer number (11543238).

Almost surely, 2^90089071 is an apocalyptic number.

90089071 is a deficient number, since it is larger than the sum of its proper divisors (2256833).

90089071 is a wasteful number, since it uses less digits than its factorization.

90089071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13481.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 90089071 is about 9491.5262734715. The cubic root of 90089071 is about 448.2882641348.

The spelling of 90089071 in words is "ninety million, eighty-nine thousand, seventy-one".