90936271 has 4 divisors (see below), whose sum is σ = 93051112. Its totient is φ = 88821432.

The previous prime is 90936221. The next prime is 90936283. The reversal of 90936271 is 17263909.

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 90936271 - 2⁷ = 90936143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90936271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90936221) 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, 1057356 + ... + 1057441.

It is an arithmetic number, because the mean of its divisors is an integer number (23262778).

Almost surely, 2^90936271 is an apocalyptic number.

90936271 is a deficient number, since it is larger than the sum of its proper divisors (2114841).

90936271 is a wasteful number, since it uses less digits than its factorization.

90936271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114840.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 90936271 is about 9536.0511219267. The cubic root of 90936271 is about 449.6891202595.

The spelling of 90936271 in words is "ninety million, nine hundred thirty-six thousand, two hundred seventy-one".