90086441 has 4 divisors (see below), whose sum is σ = 93192900. Its totient is φ = 86979984.

The previous prime is 90086431. The next prime is 90086459. The reversal of 90086441 is 14468009.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14468009 = 1973 ⋅7333.

It can be written as a sum of positive squares in 2 ways, for example, as 59228416 + 30858025 = 7696^2 + 5555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90086441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90086398 and 90086407.

It is not an unprimeable number, because it can be changed into a prime (90086401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1553186 + ... + 1553243.

It is an arithmetic number, because the mean of its divisors is an integer number (23298225).

Almost surely, 2^90086441 is an apocalyptic number.

It is an amenable number.

90086441 is a deficient number, since it is larger than the sum of its proper divisors (3106459).

90086441 is a wasteful number, since it uses less digits than its factorization.

90086441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106458.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 90086441 is about 9491.3877278299. The cubic root of 90086441 is about 448.2839017499.

The spelling of 90086441 in words is "ninety million, eighty-six thousand, four hundred forty-one".