85491208 has 16 divisors (see below), whose sum is σ = 174868560. Its totient is φ = 38859600.

The previous prime is 85491199. The next prime is 85491223. The reversal of 85491208 is 80219458.

It is a plaindrome in base 15.

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, 485658 + ... + 485833.

It is an arithmetic number, because the mean of its divisors is an integer number (10929285).

Almost surely, 2^85491208 is an apocalyptic number.

85491208 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

85491208 is an abundant number, since it is smaller than the sum of its proper divisors (89377352).

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

85491208 is a wasteful number, since it uses less digits than its factorization.

85491208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971508 (or 971504 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 85491208 is about 9246.1455753195. The cubic root of 85491208 is about 440.5283048083.

The spelling of 85491208 in words is "eighty-five million, four hundred ninety-one thousand, two hundred eight".