85206386 has 8 divisors (see below), whose sum is σ = 129905004. Its totient is φ = 41904720.

The previous prime is 85206371. The next prime is 85206409. The reversal of 85206386 is 68360258.

It can be written as a sum of positive squares in 2 ways, for example, as 63760225 + 21446161 = 7985^2 + 4631^2 .

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

It is an unprimeable number.

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, 349085 + ... + 349328.

Almost surely, 2^85206386 is an apocalyptic number.

85206386 is a deficient number, since it is larger than the sum of its proper divisors (44698618).

85206386 is a wasteful number, since it uses less digits than its factorization.

85206386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698476.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 85206386 is about 9230.7305236368. The cubic root of 85206386 is about 440.0385400126.

The spelling of 85206386 in words is "eighty-five million, two hundred six thousand, three hundred eighty-six".