9996390 has 48 divisors (see below), whose sum is σ = 26254800. Its totient is φ = 2638656.

The previous prime is 9996373. The next prime is 9996419. The reversal of 9996390 is 936999.

9996390 is a `hidden beast` number, since 9 + 9 + 9 + 639 + 0 = 666.

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

It is a Curzon number.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9301 + ... + 10319.

It is an arithmetic number, because the mean of its divisors is an integer number (546975).

Almost surely, 2^9996390 is an apocalyptic number.

9996390 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9996390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13127400).

9996390 is an abundant number, since it is smaller than the sum of its proper divisors (16258410).

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

9996390 is a wasteful number, since it uses less digits than its factorization.

9996390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 45.

The square root of 9996390 is about 3161.7068175275. The cubic root of 9996390 is about 215.4175408521.

The spelling of 9996390 in words is "nine million, nine hundred ninety-six thousand, three hundred ninety".