90485 has 4 divisors (see below), whose sum is σ = 108588. Its totient is φ = 72384.

The previous prime is 90481. The next prime is 90499. The reversal of 90485 is 58409.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58409 = 13 ⋅4493.

It can be written as a sum of positive squares in 2 ways, for example, as 21316 + 69169 = 146^2 + 263^2 .

It is a cyclic number.

It is not a de Polignac number, because 90485 - 2² = 90481 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90481) 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, 9044 + ... + 9053.

It is an arithmetic number, because the mean of its divisors is an integer number (27147).

2⁹⁰⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

90485 is a deficient number, since it is larger than the sum of its proper divisors (18103).

90485 is a wasteful number, since it uses less digits than its factorization.

90485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18102.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 90485 is about 300.8072472531. The cubic root of 90485 is about 44.8944026038.

It can be divided in two parts, 904 and 85, that added together give a palindrome (989).

The spelling of 90485 in words is "ninety thousand, four hundred eighty-five".