90485293 has 4 divisors (see below), whose sum is σ = 92410560. Its totient is φ = 88560028.

The previous prime is 90485281. The next prime is 90485327. The reversal of 90485293 is 39258409.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90485293 - 2⁵ = 90485261 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90485273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962563 + ... + 962656.

It is an arithmetic number, because the mean of its divisors is an integer number (23102640).

Almost surely, 2^90485293 is an apocalyptic number.

It is an amenable number.

90485293 is a deficient number, since it is larger than the sum of its proper divisors (1925267).

90485293 is a wasteful number, since it uses less digits than its factorization.

90485293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925266.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 90485293 is about 9512.3757810549. The cubic root of 90485293 is about 448.9445106136.

It can be divided in two parts, 9048 and 5293, that added together give a palindrome (14341).

The spelling of 90485293 in words is "ninety million, four hundred eighty-five thousand, two hundred ninety-three".