826433985 has 32 divisors (see below), whose sum is σ = 1457140608. Its totient is φ = 397393920.

The previous prime is 826433983. The next prime is 826433987. The reversal of 826433985 is 589334628.

It is an interprime number because it is at equal distance from previous prime (826433983) and next prime (826433987).

It is not a de Polignac number, because 826433985 - 2¹ = 826433983 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (826433981) 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 31 ways as a sum of consecutive naturals, for example, 40896 + ... + 57665.

It is an arithmetic number, because the mean of its divisors is an integer number (45535644).

Almost surely, 2^826433985 is an apocalyptic number.

It is an amenable number.

826433985 is a deficient number, since it is larger than the sum of its proper divisors (630706623).

826433985 is a wasteful number, since it uses less digits than its factorization.

826433985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98625.

The product of its digits is 1244160, while the sum is 48.

The square root of 826433985 is about 28747.7648696381. The cubic root of 826433985 is about 938.4318145074.

The spelling of 826433985 in words is "eight hundred twenty-six million, four hundred thirty-three thousand, nine hundred eighty-five".