85972206 has 16 divisors (see below), whose sum is σ = 179420544. Its totient is φ = 27411384.

The previous prime is 85972199. The next prime is 85972219. The reversal of 85972206 is 60227958.

It is a happy number.

It is a super-4 number, since 4×85972206⁴ (a number of 33 digits) contains 4444 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311356 + ... + 311631.

It is an arithmetic number, because the mean of its divisors is an integer number (11213784).

Almost surely, 2^85972206 is an apocalyptic number.

85972206 is an abundant number, since it is smaller than the sum of its proper divisors (93448338).

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

85972206 is a wasteful number, since it uses less digits than its factorization.

85972206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623015.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 85972206 is about 9272.1198223491. The cubic root of 85972206 is about 441.3529396269.

The spelling of 85972206 in words is "eighty-five million, nine hundred seventy-two thousand, two hundred six".