90271317 has 16 divisors (see below), whose sum is σ = 122660352. Its totient is φ = 59040240.

The previous prime is 90271303. The next prime is 90271327. The reversal of 90271317 is 71317209.

It is not a de Polignac number, because 90271317 - 2¹⁰ = 90270293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90271327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47418 + ... + 49284.

It is an arithmetic number, because the mean of its divisors is an integer number (7666272).

Almost surely, 2^90271317 is an apocalyptic number.

It is an amenable number.

90271317 is a deficient number, since it is larger than the sum of its proper divisors (32389035).

90271317 is a wasteful number, since it uses less digits than its factorization.

90271317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 90271317 is about 9501.1218811254. The cubic root of 90271317 is about 448.5903492934.

The spelling of 90271317 in words is "ninety million, two hundred seventy-one thousand, three hundred seventeen".