9989460 has 96 divisors (see below), whose sum is σ = 33492480. Its totient is φ = 2457216.

The previous prime is 9989437. The next prime is 9989477. The reversal of 9989460 is 649899.

It is a super-2 number, since 2×9989460² = 199578622183200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable 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 31 ways as a sum of consecutive naturals, for example, 6309 + ... + 7731.

It is an arithmetic number, because the mean of its divisors is an integer number (348880).

Almost surely, 2^9989460 is an apocalyptic number.

9989460 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9989460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16746240).

9989460 is an abundant number, since it is smaller than the sum of its proper divisors (23503020).

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

9989460 is a wasteful number, since it uses less digits than its factorization.

9989460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454 (or 1446 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 9989460 is about 3160.6107004818. The cubic root of 9989460 is about 215.3677499222.

The spelling of 9989460 in words is "nine million, nine hundred eighty-nine thousand, four hundred sixty".