9813390 has 32 divisors (see below), whose sum is σ = 23880096. Its totient is φ = 2580480.

The previous prime is 9813383. The next prime is 9813409. The reversal of 9813390 is 933189.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51 + ... + 4430.

It is an arithmetic number, because the mean of its divisors is an integer number (746253).

Almost surely, 2^9813390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9813390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11940048).

9813390 is an abundant number, since it is smaller than the sum of its proper divisors (14066706).

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

9813390 is a wasteful number, since it uses less digits than its factorization.

9813390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4564.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 9813390 is about 3132.6330777798. The cubic root of 9813390 is about 214.0949152432.

It can be divided in two parts, 981 and 3390, that added together give a triangular number (4371 = T₉₃).

The spelling of 9813390 in words is "nine million, eight hundred thirteen thousand, three hundred ninety".