90260833 has 4 divisors (see below), whose sum is σ = 97203988. Its totient is φ = 83317680.

The previous prime is 90260791. The next prime is 90260839. The reversal of 90260833 is 33806209.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26388769 + 63872064 = 5137^2 + 7992^2 .

It is a cyclic number.

It is not a de Polignac number, because 90260833 - 2⁹ = 90260321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90260795 and 90260804.

It is not an unprimeable number, because it can be changed into a prime (90260839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3471558 + ... + 3471583.

It is an arithmetic number, because the mean of its divisors is an integer number (24300997).

Almost surely, 2^90260833 is an apocalyptic number.

It is an amenable number.

90260833 is a deficient number, since it is larger than the sum of its proper divisors (6943155).

90260833 is a wasteful number, since it uses less digits than its factorization.

90260833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6943154.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 90260833 is about 9500.5701407863. The cubic root of 90260833 is about 448.5729823768.

The spelling of 90260833 in words is "ninety million, two hundred sixty thousand, eight hundred thirty-three".