90341689 has 6 divisors (see below), whose sum is σ = 95968814. Its totient is φ = 85027200.

The previous prime is 90341683. The next prime is 90341701. The reversal of 90341689 is 98614309.

It can be written as a sum of positive squares in 3 ways, for example, as 39690000 + 50651689 = 6300^2 + 7117^2 .

It is not a de Polignac number, because 90341689 - 2³ = 90341681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90341681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156012 + ... + 156589.

Almost surely, 2^90341689 is an apocalyptic number.

It is an amenable number.

90341689 is a deficient number, since it is larger than the sum of its proper divisors (5627125).

90341689 is a wasteful number, since it uses less digits than its factorization.

90341689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312635 (or 312618 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 90341689 is about 9504.8245117940. The cubic root of 90341689 is about 448.7068868661.

The spelling of 90341689 in words is "ninety million, three hundred forty-one thousand, six hundred eighty-nine".