85403806 has 8 divisors (see below), whose sum is σ = 128177784. Its totient is φ = 42677880.

The previous prime is 85403797. The next prime is 85403827. The reversal of 85403806 is 60830458.

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

It is a congruent number.

It is an unprimeable number.

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, 7180 + ... + 14911.

It is an arithmetic number, because the mean of its divisors is an integer number (16022223).

Almost surely, 2^85403806 is an apocalyptic number.

85403806 is a deficient number, since it is larger than the sum of its proper divisors (42773978).

85403806 is a wasteful number, since it uses less digits than its factorization.

85403806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24026.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 85403806 is about 9241.4179647931. The cubic root of 85403806 is about 440.3781288059.

The spelling of 85403806 in words is "eighty-five million, four hundred three thousand, eight hundred six".