985989146 has 16 divisors (see below), whose sum is σ = 1484904960. Its totient is φ = 491025840.

The previous prime is 985989143. The next prime is 985989149. The reversal of 985989146 is 641989589.

It is an interprime number because it is at equal distance from previous prime (985989143) and next prime (985989149).

It is not an unprimeable number, because it can be changed into a prime (985989143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 800351 + ... + 801581.

It is an arithmetic number, because the mean of its divisors is an integer number (92806560).

Almost surely, 2^985989146 is an apocalyptic number.

985989146 is a deficient number, since it is larger than the sum of its proper divisors (498915814).

985989146 is a wasteful number, since it uses less digits than its factorization.

985989146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509.

The product of its digits is 5598720, while the sum is 59.

The square root of 985989146 is about 31400.4641048504. The cubic root of 985989146 is about 995.3077323952.

The spelling of 985989146 in words is "nine hundred eighty-five million, nine hundred eighty-nine thousand, one hundred forty-six".