85631606 has 8 divisors (see below), whose sum is σ = 132876720. Its totient is φ = 41339368.

The previous prime is 85631593. The next prime is 85631621. The reversal of 85631606 is 60613658.

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

It is a super-2 number, since 2×85631606² = 14665543892278472, which contains 22 as substring.

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, 738146 + ... + 738261.

It is an arithmetic number, because the mean of its divisors is an integer number (16609590).

Almost surely, 2^85631606 is an apocalyptic number.

85631606 is a deficient number, since it is larger than the sum of its proper divisors (47245114).

85631606 is a wasteful number, since it uses less digits than its factorization.

85631606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476438.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 85631606 is about 9253.7347055121. The cubic root of 85631606 is about 440.7693255631.

The spelling of 85631606 in words is "eighty-five million, six hundred thirty-one thousand, six hundred six".