90659101 has 8 divisors (see below), whose sum is σ = 97786584. Its totient is φ = 83553600.

The previous prime is 90659083. The next prime is 90659111. The reversal of 90659101 is 10195609.

It can be written as a sum of positive squares in 4 ways, for example, as 50779876 + 39879225 = 7126^2 + 6315^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90659101 - 2⁵ = 90659069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90659111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3651 + ... + 13951.

It is an arithmetic number, because the mean of its divisors is an integer number (12223323).

Almost surely, 2^90659101 is an apocalyptic number.

It is an amenable number.

90659101 is a deficient number, since it is larger than the sum of its proper divisors (7127483).

90659101 is a wasteful number, since it uses less digits than its factorization.

90659101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10991.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 90659101 is about 9521.5072861391. The cubic root of 90659101 is about 449.2317773320.

The spelling of 90659101 in words is "ninety million, six hundred fifty-nine thousand, one hundred one".