85430982 has 32 divisors (see below), whose sum is σ = 210292992. Its totient is φ = 22531104.

The previous prime is 85430977. The next prime is 85430999. The reversal of 85430982 is 28903458.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 85430982.

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 15 ways as a sum of consecutive naturals, for example, 77688 + ... + 78779.

It is an arithmetic number, because the mean of its divisors is an integer number (6571656).

Almost surely, 2^85430982 is an apocalyptic number.

85430982 is an abundant number, since it is smaller than the sum of its proper divisors (124862010).

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

85430982 is a wasteful number, since it uses less digits than its factorization.

85430982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156492.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 85430982 is about 9242.8881849777. Note that the first 3 decimals coincide. The cubic root of 85430982 is about 440.4248341673.

The spelling of 85430982 in words is "eighty-five million, four hundred thirty thousand, nine hundred eighty-two".