90782 has 8 divisors (see below), whose sum is σ = 143400. Its totient is φ = 42984.

The previous prime is 90749. The next prime is 90787. The reversal of 90782 is 28709.

90782 is nontrivially palindromic in base 13.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 90782.

It is not an unprimeable number, because it can be changed into a prime (90787) by changing a digit.

90782 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, 1157 + ... + 1232.

It is an arithmetic number, because the mean of its divisors is an integer number (17925).

2⁹⁰⁷⁸² is an apocalyptic number.

90782 is a deficient number, since it is larger than the sum of its proper divisors (52618).

90782 is a wasteful number, since it uses less digits than its factorization.

90782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 90782 is about 301.3005144370. The cubic root of 90782 is about 44.9434681054.

It can be divided in two parts, 907 and 82, that added together give a palindrome (989).

The spelling of 90782 in words is "ninety thousand, seven hundred eighty-two".