989274584 has 16 divisors (see below), whose sum is σ = 1866706800. Its totient is φ = 491486112.

The previous prime is 989274581. The next prime is 989274589. The reversal of 989274584 is 485472989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989274581) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 392564 + ... + 395075.

It is an arithmetic number, because the mean of its divisors is an integer number (116669175).

Almost surely, 2^989274584 is an apocalyptic number.

It is an amenable number.

989274584 is a deficient number, since it is larger than the sum of its proper divisors (877432216).

989274584 is a wasteful number, since it uses less digits than its factorization.

989274584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787802 (or 787798 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 56.

The square root of 989274584 is about 31452.7357156734. The cubic root of 989274584 is about 996.4120030079.

The spelling of 989274584 in words is "nine hundred eighty-nine million, two hundred seventy-four thousand, five hundred eighty-four".