989603496 has 96 divisors (see below), whose sum is σ = 3078915840. Its totient is φ = 281280384.

The previous prime is 989603491. The next prime is 989603501. The reversal of 989603496 is 694306989.

It is a happy number.

989603496 is a `hidden beast` number, since 98 + 9 + 60 + 3 + 496 = 666.

It is an interprime number because it is at equal distance from previous prime (989603491) and next prime (989603501).

It is not an unprimeable number, because it can be changed into a prime (989603491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94305 + ... + 104271.

It is an arithmetic number, because the mean of its divisors is an integer number (32072040).

Almost surely, 2^989603496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 989603496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1539457920).

989603496 is an abundant number, since it is smaller than the sum of its proper divisors (2089312344).

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

989603496 is a wasteful number, since it uses less digits than its factorization.

989603496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10183 (or 10176 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The square root of 989603496 is about 31457.9639519153. The cubic root of 989603496 is about 996.5224191167.

It can be divided in two parts, 989603 and 496, that added together give a palindrome (990099).

The spelling of 989603496 in words is "nine hundred eighty-nine million, six hundred three thousand, four hundred ninety-six".