90085371 has 4 divisors (see below), whose sum is σ = 120113832. Its totient is φ = 60056912.

The previous prime is 90085367. The next prime is 90085381. The reversal of 90085371 is 17358009.

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

It is a cyclic number.

It is not a de Polignac number, because 90085371 - 2² = 90085367 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90085321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15014226 + ... + 15014231.

It is an arithmetic number, because the mean of its divisors is an integer number (30028458).

Almost surely, 2^90085371 is an apocalyptic number.

90085371 is a deficient number, since it is larger than the sum of its proper divisors (30028461).

90085371 is a wasteful number, since it uses less digits than its factorization.

90085371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30028460.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 90085371 is about 9491.3313607734. The cubic root of 90085371 is about 448.2821269150.

The spelling of 90085371 in words is "ninety million, eighty-five thousand, three hundred seventy-one".