9819396 has 18 divisors (see below), whose sum is σ = 24821342. Its totient is φ = 3273120.

The previous prime is 9819391. The next prime is 9819427. The reversal of 9819396 is 6939189.

It can be written as a sum of positive squares in only one way, i.e., 7096896 + 2722500 = 2664^2 + 1650^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (9819391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136345 + ... + 136416.

Almost surely, 2^9819396 is an apocalyptic number.

It is an amenable number.

9819396 is an abundant number, since it is smaller than the sum of its proper divisors (15001946).

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

9819396 is a wasteful number, since it uses less digits than its factorization.

9819396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272771 (or 272766 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 9819396 is about 3133.5915496440. The cubic root of 9819396 is about 214.1385831917.

It can be divided in two parts, 98193 and 96, that added together give a palindrome (98289).

The spelling of 9819396 in words is "nine million, eight hundred nineteen thousand, three hundred ninety-six".