985964 has 24 divisors (see below), whose sum is σ = 2059008. Its totient is φ = 403920.

The previous prime is 985951. The next prime is 985969. The reversal of 985964 is 469589.

It is not an unprimeable number, because it can be changed into a prime (985969) by changing a digit.

985964 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 7 ways as a sum of consecutive naturals, for example, 122 + ... + 1409.

It is an arithmetic number, because the mean of its divisors is an integer number (85792).

2⁹⁸⁵⁹⁶⁴ is an apocalyptic number.

It is an amenable number.

985964 is an abundant number, since it is smaller than the sum of its proper divisors (1073044).

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

985964 is a wasteful number, since it uses less digits than its factorization.

985964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565 (or 1563 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 985964 is about 992.9571994804. The cubic root of 985964 is about 99.5299271105.

It can be divided in two parts, 98596 and 4, that multiplied together give a square (394384 = 628²).

The spelling of 985964 in words is "nine hundred eighty-five thousand, nine hundred sixty-four".