90386 has 8 divisors (see below), whose sum is σ = 138864. Its totient is φ = 44100.

The previous prime is 90379. The next prime is 90397. The reversal of 90386 is 68309.

It is a happy number.

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

It is a Curzon number.

It is an unprimeable number.

90386 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440 + ... + 611.

It is an arithmetic number, because the mean of its divisors is an integer number (17358).

2⁹⁰³⁸⁶ is an apocalyptic number.

90386 is a deficient number, since it is larger than the sum of its proper divisors (48478).

90386 is a wasteful number, since it uses less digits than its factorization.

90386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 90386 is about 300.6426450123. The cubic root of 90386 is about 44.8780235805.

It can be divided in two parts, 903 and 86, that added together give a palindrome (989).

The spelling of 90386 in words is "ninety thousand, three hundred eighty-six".