989537396 has 12 divisors (see below), whose sum is σ = 1739254020. Its totient is φ = 492607680.

The previous prime is 989537383. The next prime is 989537407. The reversal of 989537396 is 693735989.

It can be written as a sum of positive squares in 2 ways, for example, as 398561296 + 590976100 = 19964^2 + 24310^2 .

It is a congruent number.

It is an unprimeable number.

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, 539225 + ... + 541056.

It is an arithmetic number, because the mean of its divisors is an integer number (144937835).

Almost surely, 2^989537396 is an apocalyptic number.

It is an amenable number.

989537396 is a deficient number, since it is larger than the sum of its proper divisors (749716624).

989537396 is a wasteful number, since it uses less digits than its factorization.

989537396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080514 (or 1080512 counting only the distinct ones).

The product of its digits is 11022480, while the sum is 59.

The square root of 989537396 is about 31456.9133260083. The cubic root of 989537396 is about 996.5002312408.

The spelling of 989537396 in words is "nine hundred eighty-nine million, five hundred thirty-seven thousand, three hundred ninety-six".