85635396 has 72 divisors (see below), whose sum is σ = 269889984. Its totient is φ = 22242240.

The previous prime is 85635391. The next prime is 85635397. The reversal of 85635396 is 69353658.

85635396 is a `hidden beast` number, since 8 + 5 + 635 + 3 + 9 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (85635391) 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 23 ways as a sum of consecutive naturals, for example, 12675 + ... + 18218.

It is an arithmetic number, because the mean of its divisors is an integer number (3748472).

Almost surely, 2^85635396 is an apocalyptic number.

It is an amenable number.

85635396 is an abundant number, since it is smaller than the sum of its proper divisors (184254588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85635396 is a wasteful number, since it uses less digits than its factorization.

85635396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30921 (or 30916 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 85635396 is about 9253.9394854300. The cubic root of 85635396 is about 440.7758281898.

The spelling of 85635396 in words is "eighty-five million, six hundred thirty-five thousand, three hundred ninety-six".