884953989 has 24 divisors (see below), whose sum is σ = 1367435160. Its totient is φ = 549531648.

The previous prime is 884953981. The next prime is 884953991. The reversal of 884953989 is 989359488.

It can be written as a sum of positive squares in 4 ways, for example, as 226261764 + 658692225 = 15042^2 + 25665^2 .

It is not a de Polignac number, because 884953989 - 2³ = 884953981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (884953981) 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 23 ways as a sum of consecutive naturals, for example, 14974 + ... + 44655.

It is an arithmetic number, because the mean of its divisors is an integer number (56976465).

Almost surely, 2^884953989 is an apocalyptic number.

It is an amenable number.

884953989 is a deficient number, since it is larger than the sum of its proper divisors (482481171).

884953989 is a wasteful number, since it uses less digits than its factorization.

884953989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59749 (or 59746 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 63.

The square root of 884953989 is about 29748.1762298128. The cubic root of 884953989 is about 960.0788379265.

The spelling of 884953989 in words is "eight hundred eighty-four million, nine hundred fifty-three thousand, nine hundred eighty-nine".